Nausea and Sore Throat After Anesthesia: Why They Happen and What Helps

Scroll through any short-form video app this season and you will find the same clip repeated a thousand ways: someone surfacing from anesthesia, hoarse, confused, clutching a kidney-shaped basin while a relative films. As of spring 2025, those wake-up videos have pushed searches for nausea after anesthesia to their highest level in years, alongside a quieter shift inside hospitals, where recovery teams have been adopting a 2020 consensus guideline that treats prevention, not rescue, as the default.

The gap between the two worlds is wide. Online, the message is often that feeling awful afterward is simply the price of surgery. In the operating room, the data say something more useful: who will feel sick is largely predictable, and much of it is preventable.

This piece explains what is happening in your brainstem and your throat during those first groggy hours, which remedies have real trial evidence behind them, and when a rough recovery stops being normal and needs a phone call.

Why does nausea after anesthesia hit so many people?

Roughly three in ten adults who have general anesthesia feel nauseated or vomit afterward, and in the highest-risk groups the figure climbs toward eight in ten. Anesthesiologists call it postoperative nausea and vomiting, or PONV, which simply means nausea or vomiting in the first 24 hours after an operation. Surveys of patients consistently rank it among the outcomes they most want to avoid, sometimes above pain itself.

The cause is not one thing but a chorus. Inhaled anesthetic gases such as sevoflurane and desflurane act on a patch of the brainstem called the chemoreceptor trigger zone, a sensor that sits outside the blood-brain barrier and tastes the blood for anything suspicious. Opioid pain medicines stimulate the same zone and slow the stomach, so fluid sits longer. Nitrous oxide, the gas sometimes blended into general anesthesia, expands into the middle ear and the bowel. Surgery adds stretch and inflammation signals from the gut, carried to the brainstem along the vagus nerve, the long nerve linking brain, throat, heart and digestive tract.

Then there is the vestibular system, the balance organ of the inner ear. Being wheeled on a stretcher or sitting up for the first time can tip a sensitized balance system into motion sickness, which is why people who get carsick are more likely to feel sick after surgery.

What matters most is that these triggers stack. Each alone might be tolerable. Together, in someone who already leans toward nausea, they produce the queasy first hour that many patients remember more vividly than the operation. The hopeful corollary follows from the same logic: block enough of the triggers and the risk falls sharply, which is exactly what modern prevention protocols are designed to do.

What changed recently in how anesthesia teams handle nausea

The biggest shift is philosophical. For decades, the habit was to wait and see: give an anti-nausea medicine, known as an antiemetic, only after a patient started retching. The Fourth Consensus Guidelines for the Management of Postoperative Nausea and Vomiting, published in June 2020 in the journal Anesthesia & Analgesia, reversed that posture. The authors recommend that adults with even one or two risk factors receive two different antiemetics before they wake, and that people with three or four risk factors receive three or more interventions from different drug classes.

The 2020 document replaced a 2014 version and added newer options to the menu, including aprepitant, which blocks a nausea pathway in the brain called the neurokinin-1 receptor, and amisulpride, which gained US approval for this purpose in 2020. It also dropped a long-standing habit: routine extra oxygen in recovery, once thought to reduce nausea, was judged ineffective on the basis of randomized trials.

A second change runs alongside it. Enhanced recovery after surgery programs, now common in colorectal, orthopedic and gynecologic surgery, lean on opioid-sparing pain control, early sipping of fluids, and avoiding prolonged fasting, all of which reduce PONV as a side benefit. Many centers have also moved toward total intravenous anesthesia, abbreviated TIVA, which keeps the patient asleep with propofol through a vein rather than gas and roughly halves nausea rates in trials.

Why has this surfaced in public conversation now? Partly because the viral wake-up videos invite the question of whether such misery is necessary, and partly because audits cited in the guideline show that prevention is still skipped in a meaningful share of eligible patients. That gap between what is recommended and what happens on an ordinary Tuesday is the story behind the trend.

Who is most likely to be sick after surgery? The Apfel score

In 1999 a German anesthesiologist named Christian Apfel published a four-item checklist that remains the backbone of risk prediction. It is deliberately simple: female sex, nonsmoker status, a personal history of PONV or motion sickness, and the expected use of opioid pain medicines after surgery. Count the yes answers and the risk rises in a near-straight line.

Number of Apfel risk factors	Approximate risk of PONV	Prevention approach suggested by the 2020 guideline
0	About 10%	Risk-reducing anesthetic technique; medication at clinician discretion
1	About 20%	Two antiemetics from different classes
2	About 40%	Two antiemetics from different classes
3	About 60%	Three or four interventions, often including TIVA
4	About 80%	Three or four interventions, often including TIVA

Several other factors nudge the odds. Younger adults are more affected than older adults. Operations involving the inner ear, the eye muscles, the gallbladder, the reproductive organs and laparoscopic procedures, in which the abdomen is inflated with gas, carry higher rates. Longer anesthetics raise risk because the dose of gas accumulates. Children over three are more prone to vomiting than adults, with risk peaking in the early teens.

Why nonsmokers? The honest answer is that nobody is certain. The leading theory is that chronic exposure to cigarette smoke changes how the liver processes anesthetic drugs and dampens the sensitivity of the brain’s nausea receptors. It is one of the few places in medicine where smoking appears protective, and it is emphatically not a reason to start.

The practical point for you as a patient is that the score only works if the team knows your history. Mention past motion sickness, past vomiting after surgery, and anyone in your family who had the same experience during the pre-operative interview.

Can post-op pain cause nausea?

Yes, through two routes, and untangling them is one of the daily puzzles of a recovery room.

The first route is direct. Significant pain activates the sympathetic nervous system, the body’s alarm circuit, and sends a flood of signals through the vagus nerve. Both pathways feed the vomiting center in the brainstem. Anyone who has felt sick after stubbing a toe hard or during a severe migraine has experienced the same reflex. Pain also stalls the stomach, so whatever is in it lingers and sloshes.

The second route is indirect and more common: the medicines used to treat pain. Opioids such as fentanyl, morphine, hydromorphone and oxycodone are effective analgesics, but they stimulate the chemoreceptor trigger zone and slow gut movement. The guideline treats expected opioid use as a formal risk factor for this reason. Observational data suggest the relationship is dose-dependent: the more opioid required, the more likely nausea becomes.

This creates an apparent dilemma. Treat the pain with opioids and risk nausea; under-treat it and the pain itself can provoke nausea. The modern answer is multimodal analgesia, a layered approach that combines several non-opioid methods so that less opioid is needed. Typical layers include acetaminophen, anti-inflammatory medicines such as ibuprofen or ketorolac where the kidneys and stomach allow, local anesthetic injected around the incision, and regional nerve blocks that numb a limb or a region of the trunk for many hours. Randomized trials across many surgical types show that these combinations cut both opioid consumption and PONV.

If you are nauseated at home and also in pain, telling your surgical team both facts matters, because the fix may involve adjusting the pain plan rather than simply adding another anti-nausea tablet. That adjustment belongs to the prescribing clinician, not to trial and error on your own kitchen counter.

What are some examples of anesthesia drugs, and which ones matter for nausea?

Patients often picture anesthesia as a single mysterious liquid. In practice it is a toolkit, and knowing the categories helps you ask better questions.

• Induction agents send you to sleep within about a minute. Propofol is the workhorse; etomidate and ketamine are alternatives chosen for people with fragile blood pressure or other specific needs. Propofol is unusual in having mild anti-nausea properties of its own.
• Inhaled agents keep you asleep. Sevoflurane, desflurane and isoflurane are the common gases; nitrous oxide is sometimes added. These are the drugs most strongly linked to PONV, and the risk grows with every hour of exposure.
• Opioids such as fentanyl, remifentanil and morphine blunt the body’s response to surgical pain. They are the second major nausea driver.
• Sedatives such as midazolam calm anxiety before surgery and produce amnesia; dexmedetomidine is an alternative that sedates without suppressing breathing as much.
• Muscle relaxants such as rocuronium or succinylcholine relax the vocal cords for intubation and the abdominal wall for surgery; sugammadex or neostigmine reverse them. Neostigmine has a small association with nausea in some studies.
• Local anesthetics such as lidocaine, bupivacaine and ropivacaine numb nerves directly and carry essentially no nausea risk of their own.
• Antiemetics such as ondansetron, dexamethasone, droperidol, scopolamine patches and aprepitant are the counterweights.

You will not choose these drugs, and you should not try. What you can do is share the history that steers the choice: prior reactions, motion sickness, medicines you take, and whether you would prefer an opioid-sparing or gas-sparing plan if your procedure allows it. Anesthesiologists generally welcome the conversation, because a forewarned plan is far easier than a rescue.

How teams prevent nausea after anesthesia before you even wake up

Most prevention happens while you are unconscious, which is why patients rarely know it occurred. Think of it as subtraction and addition.

Subtraction means removing triggers. Where the operation allows, the team may keep you asleep with propofol by infusion instead of gas, skip nitrous oxide, use a regional block so that less opioid is needed, keep you well hydrated with intravenous fluid, and keep the anesthetic as short as the surgery permits. Each of these has randomized trial support; TIVA with propofol is the single most effective technique change, reducing PONV by roughly a quarter to a half depending on the study population.

Addition means antiemetic medicines given during the case. The classes work on different receptors, which is why combining them beats doubling the dose of one. Ondansetron blocks serotonin receptors in the gut and brainstem. Dexamethasone, a corticosteroid, works through mechanisms that are still debated but is reliably effective when given early in the operation. Droperidol and haloperidol act on dopamine receptors. A scopolamine patch placed behind the ear before surgery calms the vestibular pathway. Aprepitant targets the neurokinin-1 receptor and is particularly good at preventing vomiting, as opposed to nausea.

The guideline’s core recommendation is that two or more of these classes be used for anyone with risk factors, chosen to avoid side effects relevant to the individual: for example, some dopamine blockers are avoided in people with Parkinson’s disease or certain heart rhythm issues, and dexamethasone is used cautiously in people with poorly controlled diabetes.

Non-drug options have evidence too. Stimulation of the P6 acupressure point on the inner wrist, by wristband or needle, reduced PONV in a Cochrane review of dozens of randomized trials, with an effect size comparable to a single antiemetic. It is cheap and safe, which is why some centers now offer it routinely.

What helps nausea after anesthesia once you are home

Most people are discharged within hours of a day-case operation, and the first evening is where the practical questions begin. The strongest evidence belongs to the medicines you were sent home with; the rest is sensible supportive care with varying levels of proof.

Take any prescribed antiemetic exactly as directed by the surgical team, and ask before combining it with over-the-counter nausea remedies, because several share side effects such as drowsiness. If vomiting makes it impossible to keep tablets down, call the team; alternatives exist, but the decision belongs to them.

Move slowly. Sudden head turns and quick changes from lying to standing provoke the inner ear. Sit up for a minute before standing, and keep the room dim and quiet for the first few hours. Cool air across the face, a time-honored recovery-room trick, has small trial support and no downside.

Sip rather than gulp. Small amounts of water, clear broth or an oral rehydration drink every ten to fifteen minutes are better tolerated than a full glass. Once fluids stay down, start with bland, low-fat foods: toast, crackers, rice, bananas, plain yogurt. Fatty or heavily spiced meals delay stomach emptying.

Ginger, in tea or capsule form, has mixed results in small randomized trials; some show modest benefit, others none. It is reasonable to try if your team has no objection, but do not expect it to replace medication. Peppermint or isopropyl alcohol aromatherapy shows short-lived benefit in small studies, enough to take the edge off while a medicine kicks in.

Finally, treat pain adequately but in the way your team planned. Skipping scheduled acetaminophen to avoid pills, then taking a large opioid dose when pain surges, is a reliable recipe for a second wave of nausea.

Why do I have a sore throat after intubation?

Intubation means placing a flexible breathing tube, called an endotracheal tube, through the mouth and vocal cords into the windpipe so that a ventilator can breathe for you during general anesthesia. Just below the vocal cords, a small balloon on the tube, the cuff, is inflated to seal the airway. The lining of the throat and voice box is delicate, and the tube, the cuff and the instrument used to place them can all leave it scraped and inflamed.

Studies report a sore throat in anywhere from about a third to two thirds of adults after an endotracheal tube, with most cases mild. The rate is lower, roughly one in five, after a laryngeal mask airway, a softer device that sits above the voice box rather than passing through it and is commonly used for shorter operations. Several factors raise the odds: a larger tube, a cuff inflated to a high pressure, a longer operation, coughing or straining on the tube during wake-up, a difficult placement requiring several attempts, and surgery of the head and neck, where the tube may be moved during the procedure. Women and younger adults report sore throats more often, which may partly reflect airway size.

Hoarseness often travels with the soreness. The vocal cords are two small muscular folds, and a tube resting between them for an hour or more can leave them swollen. The voice usually returns to normal within a few days as the swelling settles.

Anesthesiologists have levers to pull. Randomized trials and meta-analyses support using the smallest tube that will do the job, measuring cuff pressure with a gauge rather than estimating it by feel, applying lidocaine to the cuff, and giving dexamethasone during the case, which appears to reduce both nausea and throat soreness. None of these are things you need to request; they are routine in well-run departments.

How long does a sore throat after intubation last, and what soothes it?

For most people the soreness peaks in the first 24 hours and fades over two to three days. Hoarseness may linger slightly longer, especially if you talk a great deal or cough frequently. A throat that is still painful or a voice that is still altered after a week to ten days is unusual and deserves a conversation with your surgical team.

Comfort measures are low-tech. Sip cool or room-temperature fluids frequently; dehydration makes a scraped throat feel worse. Sucking on ice chips or throat lozenges stimulates saliva, which coats the irritated lining. Warm drinks such as tea with honey are soothing for many people; honey has modest evidence for cough and throat irritation in general, though it should never be given to infants under one year. A humidifier or a steamy bathroom eases dryness, particularly if you are breathing through your mouth because of nasal congestion.

Rest your voice without whispering. Whispering actually strains the vocal cords more than quiet normal speech. Avoid throat clearing, which slaps the cords together; swallow or take a small sip of water instead. Smoking and vaping irritate healing tissue and should be avoided for at least the duration of recovery, ideally longer.

Plain pain relievers such as acetaminophen or ibuprofen, if your surgeon has approved them for your post-operative pain, will also settle throat discomfort. Do not add new medicines, sprays or numbing lozenges without checking, because some can mask warning symptoms or interact with what you have been prescribed.

Two things are worth remembering. A sore throat after surgery is a sign of a mechanical scrape, not an infection, so antibiotics have no role. And a sore throat that was never there in recovery but appears days later, together with fever or swollen glands, is more likely to be an ordinary viral illness picked up afterward than a consequence of the tube.

Do you talk during twilight sedation?

Twilight sedation is the everyday term for monitored anesthesia care, in which an anesthesia professional gives sedative and pain-relieving medicines through a vein while you breathe on your own, usually alongside local anesthetic injected by the surgeon. It is common for colonoscopy, cataract surgery, dental procedures, minor skin and hand operations, and some cosmetic procedures.

Whether you talk depends on the depth. Sedation runs along a continuum that professional societies divide into minimal, moderate and deep. Under minimal sedation you are relaxed but fully conversational. Under moderate sedation you can respond to voice or a light touch, may answer questions, and may chat, though your speech can be slow and your sentences unfinished. Under deep sedation you are unlikely to respond to voice at all and will not talk. The team adjusts the level moment by moment according to the procedure and your comfort.

The twist that generates the viral videos is amnesia. Midazolam, the most common sedative, produces anterograde amnesia, which means your brain stops filing new memories while the drug is active even though you remain awake enough to speak. People sometimes hold whole conversations with staff and remember nothing. Reassuringly, recovery nurses will tell you that most of what is said is mundane, polite and quickly forgotten by everyone involved. Patient confidentiality applies to anything you say in that state.

Nausea is less common after sedation than after general anesthesia because the inhaled gases are absent, but it is not rare, particularly if opioids such as fentanyl are part of the mix. A sore throat is uncommon unless a laryngeal mask or oral airway was used, which occasionally happens if breathing needs support. The same rules apply afterward: no driving, alcohol or important decisions for 24 hours, because judgment and reaction time lag behind the feeling of being awake.

How to clear your head after anesthesia

The foggy, cotton-wool feeling after anesthesia has a straightforward explanation: the drugs that switched off consciousness leave the body gradually, and the brain’s networks come back online in stages. Attention, memory and reaction time typically lag behind the sense of being awake. For most healthy adults the fog clears substantially within a few hours and almost entirely within 24 hours.

Nothing accelerates drug clearance in a meaningful way, so the goal is to support the brain while it happens. Sleep is the most effective tool. A short nap in recovery and an early night at home do more than any supplement. Hydration matters because mild dehydration adds its own layer of sluggishness and headache. Eat something light once nausea allows; the brain runs on glucose, and many people have fasted since the night before.

Gentle movement helps circulation and mood. A slow walk around the house, with someone nearby in case of dizziness, is better than a day motionless on the sofa. Natural daylight in the morning helps reset a sleep rhythm disrupted by an early surgical start.

Avoid alcohol, sleeping tablets not prescribed for you, and sedating antihistamines for at least 24 hours, since they compound the lingering effects. Do not drive, operate machinery, sign legal documents or make major financial decisions during that window; these are standard discharge instructions in the United States and the United Kingdom for good reason.

Older adults deserve a specific note. Postoperative delirium, an acute state of confusion and fluctuating attention in the days after surgery, affects a meaningful minority of people over 65, especially after major operations. It is usually temporary but can be frightening for families. Familiar faces, glasses and hearing aids within reach, good lighting, orienting conversation and adequate pain control all help. New confusion that is severe or that worsens after the first day should be reported to the surgical team promptly.

What the evidence actually says

Not all advice about nausea after anesthesia stands on equal footing. Grading the evidence helps you decide what to insist on and what to treat as optional.

Strong evidence from many randomized trials: multimodal antiemetic prophylaxis using two or more drug classes; propofol-based TIVA instead of inhaled gas; avoiding nitrous oxide in longer cases; opioid-sparing pain plans with regional blocks and non-opioid analgesics; adequate intravenous fluids during and after surgery; dexamethasone given early in the case. Each of these appears in the 2020 consensus guideline with a high level of supporting evidence, and each produces a measurable reduction in PONV rather than a marginal one.

Moderate evidence: P6 acupressure stimulation, supported by a large Cochrane systematic review but with variability between trials; smaller endotracheal tubes, measured cuff pressure and lidocaine on the cuff for sore throat, each backed by meta-analyses of modest-sized trials; chewing gum in the recovery room for nausea after certain surgeries, where results are inconsistent.

Weak or mixed evidence: ginger, peppermint and isopropyl alcohol aromatherapy, which show small, short-lived benefits in small trials that often lack rigorous blinding; honey and lozenges for throat comfort, which rest mainly on general sore-throat research rather than studies after intubation specifically.

Evidence of no benefit: routine supplemental oxygen in recovery to prevent nausea, which the 2020 guideline explicitly dropped after randomized trials failed to show an effect; prolonged fasting beyond standard guidance, which worsens dehydration and may increase nausea.

One honest caveat applies throughout. Trials usually measure outcomes in the first 24 hours. Evidence on what helps nausea that drags into day two or three is thin, which is one reason persistent symptoms are a signal to seek advice rather than keep experimenting at home.

Common myths about nausea and sore throat after anesthesia

Myth: vomiting after surgery means you were allergic to the anesthetic. True allergic reactions to anesthetic drugs are rare and show up as rash, swelling, wheeze or a dramatic fall in blood pressure during the operation, not as queasiness afterward. PONV is a predictable side effect, not an allergy, and it should not stop you from having anesthesia in the future. It should, however, be mentioned next time so prevention can be stepped up.

Myth: eating nothing for as long as possible prevents nausea. Standard fasting rules exist to keep the stomach empty for safety during induction, but fasting far beyond them leaves you dehydrated and hypoglycemic, both of which worsen nausea. Many centers now encourage clear fluids up to a couple of hours before surgery, following their specific instructions.

Myth: a sore throat afterward means the tube was put in badly. Even a smooth, single-attempt intubation irritates the airway lining. Soreness is about contact time and cuff pressure far more than technique, and most people with sore throats had entirely uneventful airway management.

Myth: people confess secrets under sedation. Sedatives lower inhibitions mildly and cause amnesia, but they do not compel honesty. The stories that circulate online are selected for entertainment; most sedated conversation is about the weather.

Myth: nausea proves the anesthesia was too strong. Depth of anesthesia is monitored continuously, and PONV correlates with the type of drugs and the patient’s risk profile, not with being given too much.

Myth: antiemetics are only for people who are already vomiting. The entire thrust of current guidance is the opposite: given before symptoms start, these medicines prevent misery far more effectively than they relieve it afterward.

When to see a doctor

Nausea and a scratchy throat in the first day are expected. The following signs are not, and they warrant a call to the surgical team, the number on your discharge paperwork, or emergency services if severe.

• Vomiting that continues beyond 24 hours, or an inability to keep any fluids down for more than 12 hours.
• Signs of dehydration: very dark urine or none for eight hours, dizziness on standing, a racing heart, dry mouth and confusion.
• Blood or material that looks like coffee grounds in vomit, or black, tarry stools.
• Severe or worsening abdominal pain, a swollen or rigid belly, or no passage of gas or stool after abdominal surgery, which can signal a bowel that has stopped moving or an obstruction.
• Fever above 101°F (38.3°C), chills, or increasing redness, warmth, or discharge at the incision.
• A sore throat accompanied by any difficulty breathing, noisy or high-pitched breathing, drooling, inability to swallow saliva, or swelling of the neck. These can indicate airway swelling and are emergencies.
• Coughing up blood, chest pain, or shortness of breath, which can point to a lung complication or a blood clot.
• Hoarseness or voice change that has not improved after seven to ten days, which may indicate vocal cord injury and should be assessed by an ear, nose and throat specialist.
• New or worsening confusion, especially in an older adult, or confusion that persists beyond the first day.

Call sooner rather than later if you take medicines that must not be missed, such as those for diabetes, epilepsy, heart rhythm or transplant rejection, and vomiting is preventing you from keeping them down. Never stop, double up or substitute a prescribed medicine on your own; your prescribing clinician can advise on alternatives. Any decision about additional anti-nausea medicine, changes to pain relief or further tests rests with the team responsible for your care.

Frequently asked questions

How long does nausea after anesthesia last?

For most people, nausea after anesthesia peaks in the first few hours and resolves within 24 hours. Opioid pain medicines taken at home can prolong it into the second day. Nausea or vomiting persisting beyond 24 hours, or an inability to keep fluids down, is not typical and should prompt a call to the surgical team, who can review the pain plan and anti-nausea options.

Can post-op pain cause nausea?

Yes. Significant pain triggers nerve signals to the vomiting center in the brainstem and slows the stomach, so pain alone can make you feel sick. More often the opioids used to treat pain are the culprit, because they stimulate the brain’s nausea receptors. Combining non-opioid methods such as acetaminophen, anti-inflammatories and nerve blocks reduces both pain and nausea in randomized trials.

What are some examples of anesthesia drugs?

Common anesthesia drugs include propofol, which induces sleep; sevoflurane, desflurane and isoflurane, inhaled gases that maintain it; fentanyl and morphine for pain; midazolam for sedation and amnesia; rocuronium and succinylcholine to relax muscles; lidocaine and bupivacaine as local anesthetics; and ondansetron, dexamethasone and scopolamine to prevent nausea. Inhaled gases and opioids are the main drivers of post-operative nausea.

Do you talk during twilight sedation?

Often, yes. Under minimal or moderate sedation you can respond to questions and may chat with staff, while under deep sedation you will not. Midazolam, the usual sedative, blocks memory formation, so people frequently talk and remember nothing afterward. Most of what is said is ordinary and quickly forgotten, and everything said is covered by patient confidentiality.

How do I clear my head after anesthesia?

Sleep, fluids and light food are the most effective tools; nothing speeds drug clearance in a meaningful way. Expect the fog to lift substantially within a few hours and almost completely within 24 hours. Avoid alcohol, driving, machinery and important decisions during that window. Older adults who develop marked or worsening confusion after the first day should be assessed for postoperative delirium.

Why do I have a sore throat after intubation?

The breathing tube and its inflated cuff press against the delicate lining of the throat and voice box for the length of the operation, leaving it scraped and inflamed. Larger tubes, high cuff pressure, long surgeries and coughing on the tube increase the soreness. It is a mechanical irritation rather than an infection, so antibiotics do not help, and it usually fades within two to three days.

Is it dangerous to vomit after surgery?

Occasional vomiting in the first day is unpleasant but rarely dangerous for most people. It becomes a concern if it is repeated, prevents you from keeping fluids or essential medicines down, contains blood, or strains a fresh incision, particularly after eye, abdominal, neck or facial surgery where pressure matters. In those situations contact your surgical team rather than waiting for it to pass.

Does ginger help nausea after surgery?

The evidence is mixed. Small randomized trials of ginger before or after surgery show modest benefit in some studies and none in others, and the trials are often small and poorly blinded. It is generally safe to try as tea if your team has no objection, but it should be viewed as a supplement to prescribed anti-nausea medicine, not a replacement, and should not be combined with blood thinners without asking.

Why do some people get sick after anesthesia and others do not?

Risk is largely predictable from four factors identified by the Apfel score: female sex, nonsmoker status, a history of motion sickness or previous post-operative nausea, and expected opioid use. Each adds roughly 20 percentage points of risk. Type of surgery, length of anesthesia and age also matter. Telling your anesthesia team about past motion sickness or vomiting allows them to add prevention.

Can I eat normally the evening after surgery?

Start with small sips of fluid, then bland, low-fat foods such as crackers, toast, rice or plain yogurt once fluids stay down. Fatty, spicy or heavy meals slow stomach emptying and can trigger a fresh wave of nausea. Most people return to a normal diet within a day or two; follow any specific dietary instructions from your surgeon, especially after abdominal or throat procedures.

References

• General anesthesia: MedlinePlus Medical Encyclopedia
• General anaesthesia: NHS
• Anesthesia: Cleveland Clinic

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.