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Thyroid & Hormones

After Pheochromocytoma Surgery: Intensive Care Monitoring, Early Walking and Going Home

28 min read
After Pheochromocytoma Surgery: Intensive Care Monitoring, Early Walking and Going Home

Key Takeaways

  • A planned first night in intensive care after pheochromocytoma surgery is standard because blood pressure can drop sharply once the adrenaline-producing tumor is removed.
  • Rebound low blood sugar is a recognized early risk after tumor removal because adrenaline had been suppressing insulin release, so glucose is checked alongside blood pressure.
  • Walking usually begins the morning after surgery to lower the risk of blood clots, lung complications and slow bowel recovery.
  • MedlinePlus notes that people often go home within a few days after laparoscopic adrenal surgery, with longer stays and recovery after open surgery.
  • Follow-up metanephrine testing a few weeks after surgery, not the absence of symptoms, is how the team confirms the hormone excess has resolved.
  • Removing both adrenal glands means lifelong glucocorticoid and mineralocorticoid replacement plus a steroid emergency plan, because adrenal crisis is a medical emergency.
Quick Answer

After pheochromocytoma surgery, most people spend the first night in an intensive care or high-dependency unit so nurses can track blood pressure, heart rhythm and blood sugar, which can swing as adrenaline levels fall. Walking usually begins within a day, and many people go home a few days after minimally invasive surgery, longer after open surgery. Follow-up hormone tests and blood pressure reviews continue for months, and every step is guided by the treating team.

The strangest part, one patient told her surgeon, was the quiet. For two years her heart had hammered without warning, her palms had gone slick in meetings, and a blood pressure cuff had once read numbers she thought were a mistake. Then, a few hours after the small adrenal tumor came out, the monitor above her bed showed a steady, unremarkable line. She kept waiting for the next surge. It did not come.

That first night is the heart of pheochromocytoma surgery recovery, and it is unlike recovery from most other abdominal operations. The tumor that has been flooding the body with stress hormones is suddenly gone, and the body has to relearn normal in real time. That is why the bed is in intensive care rather than a general ward, and why the nurse checks the cuff more often than seems necessary.

This explainer walks through what happens in that unit, why early walking matters, what the days and weeks afterward typically look like, and what has to be true before anyone says the words “you can go home.”

What actually happens during pheochromocytoma surgery

A pheochromocytoma is a tumor of the adrenal medulla, the inner core of the small gland that sits on top of each kidney. The medulla’s normal job is to release adrenaline (epinephrine) and noradrenaline (norepinephrine), the chemical messengers of the fight-or-flight response. A pheochromocytoma does that job without an off switch, which is why people experience surges of blood pressure, pounding heartbeat, sweating and headache, as MedlinePlus describes.

The operation is called an adrenalectomy, which simply means removal of an adrenal gland. In most cases the surgeon removes the whole gland on the affected side along with the tumor. When a person has a hereditary syndrome and both glands are involved, or only one gland remains, the team may discuss a cortical-sparing approach, meaning the surgeon tries to leave behind the outer layer (cortex) that makes cortisol so the person may avoid lifelong hormone replacement. That choice is highly individual and belongs to the surgical and endocrine team.

Most adrenalectomies today are done through several small cuts using a camera and long instruments, either laparoscopically or with robotic assistance. The surgeon may approach from the front of the abdomen or from the back, just below the ribs. Open surgery through a single larger incision is still used for very large tumors, tumors that appear to have grown into nearby structures, or when a minimally invasive approach cannot be completed safely, according to the Mayo Clinic and the National Cancer Institute.

What makes this operation different from removing, say, a gallbladder is what happens to hormone levels during it. Simply touching the tumor can squeeze out a burst of adrenaline. The anesthesia team, therefore, is doing as much work as the surgeon: watching the arterial line, adjusting short-acting medicines that lower or raise blood pressure, and communicating minute by minute with the person holding the instruments. The moment the tumor’s blood supply is clamped, the flood stops, and blood pressure can drop sharply. That transition is the pivot around which everything else in recovery turns.

Why the first night is usually spent in intensive care

An intensive care unit (ICU) or high-dependency unit is a ward where one nurse looks after one or two patients and every heartbeat is displayed on a screen. Being sent there after pheochromocytoma surgery is routine, not a sign that something went wrong. The Mayo Clinic notes that blood pressure and heart rate are monitored closely after the tumor is removed because the body’s hormone balance is shifting.

Consider what the body has been living with. For months or years the arteries have been tightened by a constant excess of noradrenaline, the heart has been pushed to beat harder, and the natural receptors that respond to these hormones have dialed themselves down in self-defense. In the days before surgery, medicines called alpha-blockers have been relaxing those arteries further so the operation is safer. Then, in a single moment in the operating room, the source is removed.

The result is a body with wide-open blood vessels, a relatively low circulating volume, blunted receptors and no hormone to fill the gap. Blood pressure can fall, sometimes considerably, in the first hours. The team expects this and typically treats it first with intravenous fluids and, if needed, short-acting medicines that support blood pressure, adjusting them minute by minute rather than by fixed schedule.

Continuous monitoring also lets the team catch the opposite problem. Some people continue to run high blood pressure after surgery, whether because of pain, leftover hormone still circulating, fluid overload, or long-standing hypertension that has become independent of the tumor. An arterial line, a thin tube in a wrist artery that gives a pressure reading with every beat, is usually kept in for the first night for exactly this reason.

Heart rhythm is watched too. The abrupt fall in adrenaline can unmask slow rhythms, and the stress of surgery can trigger fast ones. Most of these settle within a day, but they are far easier to manage in a unit built to see them the instant they appear. By the next morning, if pressures have been stable for several hours, the lines come out and the move to a regular surgical ward begins.

Pheochromocytoma after surgery: blood pressure swings explained

People often expect their blood pressure to be perfect the moment the tumor is gone. The reality is more like a pendulum slowing down: it swings, then swings less, then settles. Knowing the mechanism behind each swing takes much of the fear out of watching the monitor.

Low readings in the first 24 to 48 hours have three main causes. First, alpha-blocker medicines taken before surgery keep working for a while after their last dose, holding the arteries open. Second, chronic hormone excess shrinks the effective blood volume; the body has been running “tight” and has not needed as much fluid inside the vessels. Third, the receptors on blood vessel walls have become less sensitive after long exposure. Remove the hormone and the vessels stay relaxed but have nothing to react to, so pressure sags. Fluids and time are the main treatments, and the Cleveland Clinic notes that blood pressure typically returns to a more normal range as the body readjusts.

High readings can persist for several days, and in a minority of people for much longer. The National Cancer Institute and Mayo Clinic both note that some people remain hypertensive after surgery. Possible reasons include long-standing changes in the kidney and blood vessel walls, a second tumor elsewhere, remaining tumor tissue, or ordinary essential hypertension that the pheochromocytoma was masking. Sorting out which applies takes follow-up hormone testing, not guesswork on the ward.

What this means practically:

  • Feeling lightheaded when first sitting or standing is common in the first days; nurses will help you rise slowly.
  • Blood pressure medicines you took before surgery will be reviewed; many are paused, some are continued. Only the prescribing clinician makes that call.
  • Home blood pressure readings after discharge are useful data for your follow-up visit, not a reason to adjust anything yourself.

The overall direction is reassuring. Pressures that were dangerous before surgery usually become manageable, but “manageable” and “never needing medicine again” are not the same claim, and honest teams say so.

Low blood sugar after the tumor comes out: the overlooked risk

Adrenaline does more than raise blood pressure. It also tells the pancreas to hold back insulin and tells the liver to release glucose, which is why stress can push blood sugar up. A pheochromocytoma keeps that signal switched on. Some people are even told they have prediabetes or diabetes before the tumor is found, and MedlinePlus lists high blood sugar among the effects of these tumors.

When the tumor is removed, the brake on insulin comes off suddenly. The pancreas, which has been suppressed for months, may release a rebound surge of insulin in the hours after surgery. At the same time, the body’s ability to correct a low sugar by releasing adrenaline has just been taken away on one side, and the other adrenal gland may be sluggish after long suppression. The combination can produce hypoglycemia, a blood sugar level low enough to cause shakiness, sweating, confusion or drowsiness.

Here is the problem: the classic warning signs of a low sugar, sweating and a racing heart, are driven by adrenaline. With adrenaline low, those alarms may not sound. A person can slip into a low sugar quietly, and the first sign may be unusual sleepiness or confusion that could easily be blamed on anesthesia or pain medicine. This is one reason ICU nurses check finger-prick glucose regularly through the first night, not only blood pressure.

Management is straightforward when it is anticipated. Intravenous fluids containing glucose are commonly used in the first hours, glucose is checked at set intervals, and the team is alert to any drowsiness that does not match the amount of sedation given. Most rebound lows resolve within the first day as insulin secretion settles.

People who had raised blood sugar before surgery often see it fall afterward, sometimes markedly. If you were taking medicine for diabetes before the operation, the team will review it, because a dose that was right when adrenaline was high may no longer fit. That review is a conversation for the prescribing clinician, not a change to make on your own.

Who goes to surgery quickly, and who is asked to wait

Very few people with a pheochromocytoma are taken to the operating room the week the diagnosis is made. Almost everyone is asked to wait, and the reason is safety rather than scheduling. Operating on an unprepared patient risks a severe surge in blood pressure when the tumor is handled, followed by a profound drop when it is removed.

Preparation centers on alpha-blockers, medicines that block the receptors through which noradrenaline tightens blood vessels. Taken for roughly one to two weeks before surgery, they relax the arteries, allow the blood volume to expand, and blunt the intraoperative surges, as the Mayo Clinic explains. A high-salt diet and generous fluids are often recommended during this period to refill the circulation. If the heart rate climbs once the alpha-blocker is working, a beta-blocker, which slows the heart, may be added afterward, never before, because blocking the heart first while the arteries are still tight can be dangerous. Choice of medicine, sequence and duration sit entirely with the endocrinologist and anesthesia team.

Who is asked to wait longer than usual?

  • People whose blood pressure or heart rate is not yet controlled on preparation medicines.
  • People with heart muscle weakened by long hormone exposure, a condition sometimes called catecholamine cardiomyopathy, who may need cardiac assessment first.
  • People who are pregnant, where timing is planned jointly with obstetric specialists.
  • People with hereditary syndromes in whom imaging suggests tumors in more than one location that need to be mapped before deciding on an operation.

Who is less likely to be a candidate for minimally invasive surgery? The National Cancer Institute notes that open surgery may be chosen for large tumors or when there are signs the tumor has spread beyond the gland. Some people with metastatic disease are not offered surgery of the primary tumor at all, and other approaches are discussed instead.

Waiting can feel unbearable when you know a hormone-producing tumor is sitting inside you. It helps to reframe the weeks of preparation as the first stage of the operation itself. A smoother operation buys a smoother recovery.

Why nurses get you walking within a day

On the morning after surgery, often while lines are still being removed, a nurse or physical therapist will ask you to sit on the edge of the bed, then stand, then take a few steps. It can feel too soon. It is not, and the reasons are grounded in how the body behaves after any abdominal operation, with a few twists specific to this one.

The first reason is blood clots. Lying still after surgery slows blood flow in the leg veins, and slow blood clots. A clot in the deep leg veins can travel to the lungs, one of the most serious complications of any operation. MedlinePlus lists blood clots among the general risks of adrenal gland removal. Walking squeezes the calf muscles and pumps blood back toward the heart. Compression stockings and, in many cases, small injections of a blood-thinning medicine are added for people at higher risk; the team decides who needs what.

The second reason is the lungs. After anesthesia, the small air sacs at the base of the lungs tend to collapse slightly, and pain from an incision near the ribs makes deep breaths uncomfortable. Sitting upright and walking re-expand those sacs and reduce the chance of pneumonia. Breathing exercises with a small handheld device are often taught for the same reason.

The third reason is the gut. Bowel function slows after abdominal surgery, and gas pain can be surprisingly intense, especially after laparoscopic surgery where carbon dioxide has been used to inflate the abdomen. Movement helps the bowel wake up and helps that gas disperse.

There is a pheochromocytoma-specific caution. Because blood pressure may still dip when standing in the first day or two, the first walks are done with a hand on your arm and with a chair nearby. Lightheadedness is a reason to sit, not a reason to stay in bed. A typical rhythm is short walks several times a day rather than one long effort. By the second or third day most people are walking the corridor unaided, and the distances grow from there.

What to expect after adrenal gland removal: pain, drains and eating

The physical experience of the first days is shaped mostly by the surgical approach, not by the fact that the tumor was hormone-producing.

After laparoscopic or robotic surgery, expect a few small dressings on the abdomen or back, soreness that is worst on the first two days, and a peculiar ache in the shoulder. That shoulder pain is referred from the diaphragm, which is irritated by the gas used during surgery, and it fades within a day or two. Pain relief is usually a combination of regular non-opioid medicines with stronger medicine held in reserve for the first day or two; the team chooses the combination based on your history.

After open surgery, the incision is longer, often under the ribs or across the upper abdomen, and pain relief may include an epidural or a nerve-block catheter for the first days. Deep breathing and coughing hurt more, which is exactly why the breathing exercises matter more.

Drains, which are soft tubes that let fluid escape from the surgical area, are not always used. When they are, they typically come out within a day or two once the output is low. A urinary catheter, if placed, is usually removed on the first morning to reduce infection risk and make walking easier.

Eating restarts early. Sips of water usually begin the evening of surgery and light food the next day, progressing as the bowel wakes. Nausea is common after anesthesia and is treated with anti-sickness medicine on request.

Things that commonly surprise people:

  • Feeling emotionally flat or tearful for a few days. Falling adrenaline plus anesthesia plus disrupted sleep is a potent mix.
  • Feeling colder or more tired than expected. Many people describe it as their body finally being allowed to rest.
  • Bruising that spreads across the flank from the incision sites, which looks alarming but is usually harmless.

Cleveland Clinic and MedlinePlus both describe full recovery from adrenalectomy in terms of weeks rather than days, and the early hospital phase is only the opening chapter of that.

Pheochromocytoma surgery recovery timeline: days and weeks

Recovery timelines vary with age, surgical approach, tumor size and how the heart and blood vessels weathered the months before diagnosis. The ranges below reflect typical patterns described by MedlinePlus, the Mayo Clinic and the Cleveland Clinic and are a guide to conversation, not a schedule anyone can promise.

Phase What is typically happening What you are usually doing
Day of surgery Arterial line, continuous heart monitoring, frequent blood pressure and glucose checks in ICU or high-dependency unit Resting, sips of fluid, breathing exercises
Day 1 Lines and catheter usually removed if stable; move to surgical ward First short walks with support, light food
Days 2 to 3 Pain relief simplified, drain out if present, bowel function returning Walking independently, showering, discharge planning
Days 1 to 3 (minimally invasive) or longer (open) Discharge when blood pressure, glucose, pain and mobility meet criteria Going home with written instructions
Weeks 1 to 2 Incisions healing, energy low, blood pressure settling Daily walks, no heavy lifting, driving only when cleared
Weeks 2 to 6 Return of stamina; first follow-up hormone tests often scheduled in this window Gradual return to desk work, then physical work
Months 3 to 12 and beyond Ongoing blood pressure review, repeat hormone testing, genetic counseling if indicated Annual or more frequent follow-up as advised

MedlinePlus notes that people who have laparoscopic adrenal surgery often go home within a few days, while open surgery usually means a longer stay and a longer overall recovery. Lifting restrictions, commonly a few weeks for minimally invasive surgery and longer for open incisions, are set by the surgeon based on how the wound is healing.

Two milestones matter more than the calendar. The first is the day you can climb a flight of stairs without stopping, which most people reach within the first two weeks. The second is the follow-up hormone test showing that the excess has gone, which no amount of feeling well can replace.

Going home: what has to be true before discharge

Discharge is a checklist, not a date. Teams vary in how they phrase it, but the conditions they are looking for are remarkably consistent, and understanding them makes the wait less frustrating.

Blood pressure has to be stable on a plan you can follow at home. That does not mean perfect readings; it means no wide swings over the preceding day, no need for intravenous medicines, and a clear written instruction about which oral medicines, if any, to continue. If you were on several blood pressure medicines before surgery, expect this list to look different, and expect the change to have been made by the prescribing clinician rather than assumed.

Blood sugar has to be steady without intravenous glucose. For people without diabetes this is usually settled by the first morning. For people who were treated for diabetes, the team confirms that the home plan still fits the new, lower-adrenaline body.

Pain has to be controlled on tablets, you have to be able to walk to the bathroom and back unaided, and you have to be passing urine and, ideally, wind or stool. Nausea has to be under control so you can eat and drink.

Before leaving, make sure you have:

  • Written wound-care instructions and a clear statement of what the dressings should look like.
  • A named contact number for the surgical team for the first two weeks.
  • A follow-up date for hormone testing and a separate one for blood pressure review, if these are handled by different clinicians.
  • If both adrenal glands were removed or the remaining gland is in doubt, a steroid emergency card and a plain-language explanation of sick-day rules, covered in the next section.

A partner or friend to drive you home and stay the first night is strongly encouraged. Anesthesia lingers, judgment is dulled, and the first night at home is when small worries loom largest. Having someone to say “that looks fine” or “let’s call” is a real safety measure.

What happens if both adrenal glands are removed? Bilateral adrenalectomy hormone replacement

Most people have a single tumor on one side and keep the other adrenal gland. The remaining gland, though sometimes sluggish for a while after years of being overshadowed, takes over the essential hormones. The situation is different when both glands are removed, which happens in some hereditary syndromes where tumors develop on both sides, or when a second gland must be removed years after the first.

The adrenal cortex, the outer layer, makes cortisol and aldosterone. Cortisol governs the body’s response to stress, blood sugar, blood pressure and inflammation; aldosterone tells the kidneys to hold onto salt and water. Without both glands, the body makes neither, a state equivalent to Addison disease, which MedlinePlus describes as adrenal insufficiency. Replacement with a glucocorticoid (a cortisol-like medicine) and a mineralocorticoid (an aldosterone-like medicine) becomes lifelong. The adrenaline the medulla made is not replaced; the rest of the nervous system covers that role adequately.

The critical concept is adrenal crisis. A body that cannot raise its own cortisol in response to illness, injury or surgery can collapse into low blood pressure, vomiting, confusion and shock. MedlinePlus lists these among the signs of acute adrenal insufficiency and describes it as an emergency. Prevention rests on so-called sick-day rules: temporarily increasing replacement during fever or significant illness, switching to injection if vomiting prevents tablets, and seeking urgent care early. The specifics, how much and when, are taught individually by the endocrine team and are never generic.

Practical steps that teams typically arrange:

  • A steroid emergency card or medical alert bracelet.
  • Training for the person and a family member in giving an emergency injection.
  • Written guidance on what to do before dental work or operations.

Cortical-sparing surgery, where the surgeon leaves part of one cortex behind, can sometimes avoid or reduce the need for replacement, though remaining tissue carries a small risk of tumor recurrence. Whether it is appropriate depends on the syndrome, the anatomy and the surgeon’s judgment. It is a question worth raising before, not after, the operation.

Follow-up after pheochromocytoma removal: hormone tests, blood pressure and genetics

Feeling well is not proof that the hormone excess is gone. The only reliable evidence is a follow-up measurement of metanephrines, which are the breakdown products of adrenaline and noradrenaline measured in blood plasma or a 24-hour urine collection. These tests were almost certainly how the tumor was found, and repeating them a few weeks after surgery is the standard way to confirm that levels have returned to normal, as the Mayo Clinic and the National Cancer Institute describe. Testing too soon can give a misleading result while the body is still clearing hormone, which is why teams usually wait rather than test on the ward.

Blood pressure follow-up runs alongside. Many people find their readings fall substantially and their pre-surgery medicines are reduced or stopped by their clinician over the following months. Others need continued treatment for hypertension that was there all along or that became fixed over years of hormone exposure. Neither outcome is a failure of the surgery; both are common.

Long-term surveillance matters because pheochromocytomas can recur, either at the original site, in the other adrenal gland, or as a paraganglioma elsewhere in the body. A paraganglioma is the same type of tumor arising outside the adrenal gland along nerve pathways. The National Cancer Institute notes that a minority of these tumors are malignant, meaning they can spread, and that the distinction often cannot be made from the removed tissue alone. Periodic hormone testing, typically yearly and sometimes for life, is how recurrence is caught early.

Genetic counseling is now considered for nearly everyone with this diagnosis. The Mayo Clinic notes that a substantial proportion of pheochromocytomas, roughly a quarter to a third, are linked to inherited gene changes, including syndromes such as multiple endocrine neoplasia type 2, von Hippel-Lindau disease, neurofibromatosis type 1 and changes in the SDH family of genes. A positive result changes how often you are checked, whether other organs are screened, and whether relatives are offered testing. It is a conversation about the future, and one that recovery gives you time to have.

How rare are pheochromocytomas, and how fast do adrenal tumors grow?

Rare enough that many clinicians never see one. The Cleveland Clinic estimates that pheochromocytomas affect roughly two to eight people per million each year. The Mayo Clinic notes they are most often diagnosed between the ages of 20 and 50, though they occur at any age, including in children, and that they are found in a small fraction of people investigated for high blood pressure.

Rarity has a practical consequence for recovery: the team looking after you should be one that handles these tumors regularly, including an anesthesia team familiar with the intraoperative swings. That is a point about experience with the condition in general, not about any particular place.

Growth is a question people ask with anxiety in their voice, usually because the tumor was found by chance on a scan done for something else. Most pheochromocytomas grow slowly, over years rather than months, which is part of why symptoms are so often blamed on anxiety or panic attacks for a long time before the diagnosis is made. Size at diagnosis varies widely, from under a centimeter to well over ten. Larger tumors are more likely to be approached with open surgery and are watched more closely afterward, as the National Cancer Institute notes, but size alone does not determine whether a tumor will behave aggressively.

The more important distinction is between the tumor’s hormone output and its physical size. A small tumor can produce dangerous surges; a large one can be relatively quiet. This is why the decision to operate is driven by the hormone excess and its effects on the heart and vessels, not simply by centimeters on a scan.

Roughly one in ten pheochromocytomas turns out to be malignant, a figure the National Cancer Institute gives while acknowledging that pathology cannot always predict which ones. Malignant here means the tumor has spread or can spread, most often to bone, liver, lung or lymph nodes. For the large majority, removal of the tumor is the definitive treatment, followed by the surveillance described above.

What people often get wrong about pheochromocytoma surgery recovery

Misunderstandings cluster around a few themes, and each one can cause real harm if acted on.

“The tumor is out, so my blood pressure medicines are finished.” Some people do come off all blood pressure medicine over the following months. Others do not, because years of hormone excess can leave lasting changes in the kidneys and vessel walls, or because ordinary hypertension was present underneath. Stopping medicines without the prescribing clinician’s instruction is a common and avoidable mistake.

“Going to intensive care means something went wrong.” Planned ICU or high-dependency admission is standard for this operation because of the predictable hormone shift. It is preventive, not reactive.

“I feel completely normal, so I do not need the follow-up test.” Symptoms are a poor guide. Residual or recurrent hormone excess can be present without noticeable symptoms, and the Mayo Clinic and National Cancer Institute both describe repeat metanephrine testing as the way to confirm the outcome and the basis for long-term surveillance.

“Panic attacks caused all of this, so treating anxiety will fix it.” Pheochromocytoma symptoms mimic panic so closely that many people spend years being treated for anxiety. After surgery, some genuine anxiety often remains, understandably, and deserves support. But the hormonal cause and the psychological experience are separate things, and one does not cancel the other.

“Rest is the safest recovery.” Bed rest raises the risk of clots, pneumonia and slow bowel recovery. Early, frequent, short walks are the safer path, with the caveat that standing slowly matters while blood pressure is still settling.

“Genetic testing is only for people with family history.” A large share of hereditary cases occur in people with no known affected relative. Testing is offered based on the diagnosis itself.

“The other adrenal gland does not matter.” It matters enormously. If it was removed earlier, or if both are now gone, lifelong hormone replacement and emergency planning are essential, and no one should leave hospital without understanding that.

Questions to ask your care team before and after surgery

Good questions produce specific answers, and specific answers make recovery predictable. Consider writing these down and bringing a companion who can take notes while you listen.

Before surgery:

  • Which approach are you planning, minimally invasive or open, and what would make you change to open during the operation?
  • Will the whole gland be removed, and is a cortical-sparing operation relevant in my case?
  • How long will I take preparation medicines, and what readings are you aiming for before you consider me ready?
  • Has my heart been assessed for the effects of long-term hormone exposure?
  • Will I go to intensive care afterward, and for roughly how long?
  • Is genetic testing recommended for me, and when will that conversation happen?

In hospital:

  • What blood pressure and glucose readings are you looking for before I leave the monitored unit?
  • Which of my usual medicines are you continuing, pausing or stopping, and who will review that decision after discharge?
  • When can I expect the drain and catheter to come out?
  • What lifting, driving and bathing limits apply to my incision?

Before going home:

  • When exactly will my follow-up hormone test be done, and who will explain the result?
  • What home blood pressure readings should prompt a call, and what readings can wait for the clinic visit?
  • If both my glands are gone or my remaining gland is uncertain, who is teaching me sick-day rules and the emergency injection, and do I have a steroid card?
  • Who do I call at night or on weekends in the first two weeks?

Notice that none of these questions asks for a guarantee. Clinicians cannot promise a specific outcome and should be wary of anyone who does. What they can offer is a clear plan, the reasoning behind it and a route back to them when something is unclear. That is what to ask for.

When to call your doctor after pheochromocytoma surgery

Most recoveries are uneventful, and the surgical team would far rather hear about a false alarm than miss a real problem. Call the number you were given, or seek emergency care, if any of the following occurs.

Call emergency services or go to an emergency department for:

  • Chest pain, severe shortness of breath, or coughing up blood, which can signal a clot in the lungs or a heart problem.
  • Sudden severe headache, confusion, weakness on one side, or difficulty speaking, which can indicate a dangerously high blood pressure or stroke.
  • Fainting, or blood pressure readings far below your usual with dizziness that does not resolve on lying down.
  • If both adrenal glands were removed or you are on hormone replacement: vomiting so you cannot keep medicines down, severe weakness, confusion or collapse. MedlinePlus describes these as signs of acute adrenal insufficiency, which is a medical emergency.
  • Heavy bleeding from a wound that does not stop with firm pressure.

Contact your surgical team the same day for:

  • Fever, or a wound that becomes increasingly red, hot, swollen or leaks cloudy fluid.
  • Pain that is getting worse rather than better after the first few days, or a swollen, tender abdomen.
  • A swollen, painful or warm calf, which can be a sign of a deep vein clot.
  • Persistent vomiting, inability to pass urine, or no bowel movement with a distended abdomen several days after surgery.
  • Home blood pressure readings repeatedly above or below the thresholds your team wrote down for you.
  • Return of the sweating, pounding heartbeat and headache spells you had before surgery.

Mention at your follow-up, even if not urgent: persistent tiredness beyond what you expected, mood changes, ongoing lightheadedness on standing, or any new symptom you cannot explain. Recovery from this operation involves the whole body relearning its baseline, and your treating team is the right place to bring every observation, large or small.

Frequently asked questions

What to expect after adrenal gland removal in the first 24 hours?

Expect close monitoring in an intensive care or high-dependency unit, with an arterial line, continuous heart tracing and regular blood pressure and glucose checks. Low blood pressure and, less often, low blood sugar are anticipated as adrenaline levels fall. Fluids are the main treatment. By the next morning most people have lines removed, move to a ward and take their first supported walk.

How long is the adrenalectomy recovery time?

It depends on the surgical approach. MedlinePlus notes that people often go home within a few days after laparoscopic surgery and later after open surgery, with full recovery measured in weeks. Stamina typically returns over two to six weeks, lifting restrictions are set by the surgeon based on wound healing, and hormone follow-up continues for months and often years.

Why is pheochromocytoma after surgery blood pressure sometimes low?

Because the arteries have been held open by preparation medicines and are no longer being tightened by tumor hormone, while the circulating blood volume has been chronically reduced. The vessel receptors are also desensitized after long exposure. Pressure usually recovers over one to two days with intravenous fluids, and nurses help you stand slowly while it settles.

What happens if both adrenal glands are removed?

Lifelong hormone replacement becomes necessary because the body can no longer make cortisol or aldosterone, a state equivalent to Addison disease described by MedlinePlus. People are taught sick-day rules, carry a steroid emergency card and learn to give an emergency injection, since untreated adrenal crisis is life-threatening. Adrenaline is not replaced; the nervous system covers that role.

How rare are pheochromocytomas?

Very rare. The Cleveland Clinic estimates roughly two to eight new cases per million people each year. They are most often diagnosed between ages 20 and 50, according to the Mayo Clinic, though they occur at any age, and around a quarter to a third are linked to inherited gene changes, which is why genetic counseling is widely offered.

How fast do adrenal tumors grow?

Most pheochromocytomas grow slowly, over years rather than months, which is one reason symptoms are often mistaken for anxiety for a long time. Size at diagnosis ranges widely. Larger tumors are more likely to need open surgery and closer follow-up, but hormone output rather than size drives the decision to operate, and size alone does not predict aggressive behavior.

Will I still need blood pressure medicine after pheochromocytoma surgery?

Possibly. Many people have medicines reduced or stopped by their clinician over the following months as readings fall. Others need continued treatment because years of hormone exposure changed the blood vessels and kidneys, or because ordinary hypertension was present underneath. The Mayo Clinic notes some people remain hypertensive after surgery. Any change is made by the prescribing clinician.

When is the follow-up hormone test done after surgery?

Usually a few weeks after the operation rather than in hospital, because the body needs time to clear residual hormone and an early test can mislead. The test measures metanephrines, the breakdown products of adrenaline and noradrenaline, in blood or urine. Normal results confirm the excess has resolved; periodic repeat testing then continues to watch for recurrence.

Why do I need genetic testing after a pheochromocytoma?

Because a substantial share of these tumors, roughly a quarter to a third according to the Mayo Clinic, arise from inherited gene changes, often in people with no known family history. A positive result changes how often you are monitored, whether other organs are screened, and whether relatives are offered testing. Counseling is typically arranged during the recovery period.

Can a pheochromocytoma come back after surgery?

Yes, it can, either at the original site, in the other adrenal gland or elsewhere as a paraganglioma, and the National Cancer Institute notes that around one in ten is malignant. Recurrence is uncommon for most people but is the reason for long-term, often lifelong, hormone testing. Early detection through routine follow-up is far easier than catching a recurrence through symptoms.

References

This article is for general information only and is not a substitute for professional medical advice. Please consult a qualified doctor about your individual situation.

Dr. Şule Eren
Dr. Şule Eren, MD
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Published November 7, 2026
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