Is Tiredness After Hemodialysis Normal? Cramps, Low Blood Pressure and What to Report

The ride home is the part nobody warns you about. Four hours in the chair, the needles out, the dressing taped, and then a heaviness that settles in somewhere between the parking lot and the front door. Some people sleep straight through dinner. Others sit on the edge of the bed wondering whether this is simply what kidney failure feels like now, or whether the machine is taking something it should not.

People starting treatment ask one question more than any other: is tiredness after hemodialysis normal? The short version is that a degree of it is, and the longer version matters, because the same session that leaves you drained can also cause cramps in the calves or a sudden drop in blood pressure that leaves you lightheaded for the rest of the evening.

This explainer walks through what hemodialysis does to the body hour by hour, why fatigue, cramps and low blood pressure happen, which patterns are routine, and which ones your care team genuinely wants to hear about before the next session.

Is tiredness after hemodialysis normal, or a sign something is off?

Fatigue sits at the top of nearly every list of hemodialysis side effects, and the NHS describes it as one of the most common problems people on dialysis report. So the honest starting point is that a drained, foggy feeling after a session is widely shared and, on its own, is not evidence that treatment is failing.

What makes it feel so different from ordinary tiredness is the speed of the changes. Healthy kidneys work around the clock, filtering roughly half a cup of blood every minute according to the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). Hemodialysis compresses days of that work into a few hours, three times a week. Fluid that built up over two days leaves in one afternoon. Potassium, sodium and other salts move between the blood and the surrounding tissues. Blood pressure wobbles as the circulating volume falls. The body registers all of that as effort, even though you were sitting still.

There is a second layer, though, and it is the reason the word normal needs qualifying. Fatigue in kidney failure is rarely caused by the session alone. Anemia, poor sleep, low mood, inflammation, muscle loss and the gap between sessions all add weight to it. A person whose tiredness lifts after a nap and a meal is describing something routine. A person who cannot function the day after every session, or whose exhaustion has been climbing week by week, is describing something the team can usually investigate.

The useful question, then, is not whether tiredness after hemodialysis is normal in general. It is whether your particular pattern of tiredness is stable, predictable and tolerable, or whether it has changed. Dialysis units adjust fluid targets, session length and medicines all the time in response to exactly this kind of feedback, and they can only do that if people describe what happens after they leave.

What actually happens to your body during a hemodialysis session

Hemodialysis is a treatment that uses a machine and a filter to clean the blood when the kidneys no longer can. Blood leaves the body through a vascular access, which is a surgically prepared point on the arm (a fistula or graft) or a catheter in a large vein, travels through the filter, and returns a few minutes later.

Inside the filter, called a dialyzer, blood flows along one side of thousands of hollow fibers while a cleaning fluid called dialysate flows along the other. Waste products such as urea and excess potassium cross the thin fiber walls into the dialysate and are carried away. Excess water is pulled across at a rate the team sets at the start of the session, a process known as ultrafiltration.

Most people treated in a center attend three times a week for sessions lasting about three to five hours, according to the Mayo Clinic. During that time the machine may remove liters of fluid. Blood pressure is checked repeatedly because the circulating volume is shrinking, and the body has to pull fluid back from the tissues into the bloodstream fast enough to keep up. When it cannot, pressure falls.

Salts shift too. Potassium, which can build to dangerous levels between sessions, drops quickly. Sodium and calcium move in both directions depending on how the dialysate is prescribed. Muscles are sensitive to these shifts, which is one reason cramps cluster toward the end of a session when fluid removal is nearly complete.

None of this is damage. It is the body doing in hours what it would prefer to do over days. Understanding that sequence helps make sense of why the tiredness arrives after the session rather than during it, and why the first few hours at home can feel so unlike the morning before you went in.

Post dialysis fatigue: how long does dialysis fatigue last?

Researchers have given this experience its own name, post dialysis fatigue, and many studies measure it with a single plain question: how long does it take you to recover from a session? Answers vary enormously. Some people describe feeling themselves again within an hour or two. Others report not recovering until they wake the next morning, and a minority describe recovery that stretches close to the following treatment, which leaves very little of the week feeling ordinary.

The evidence on why the range is so wide is observational rather than definitive, so it should be read as patterns rather than rules. Longer recovery times tend to track with larger amounts of fluid removed per session, with blood pressure drops during treatment, with anemia, and with poor sleep quality. Shorter recovery is more often reported by people whose fluid gains between sessions are modest and whose sessions run without pressure swings or cramps.

A few things are reasonably well established. Fatigue is usually worst in the first hours after a session and eases overnight. Afternoon or evening sessions can collide with normal sleep, so the tiredness blends into the night rather than resolving before it. The day after a session is often the best day of the week for many people, while the longest gap between sessions, typically the weekend for a Monday-Wednesday-Friday schedule, is when fluid and waste build highest and energy tends to sag for a different reason.

What the evidence does not support is the idea that post dialysis fatigue is fixed or untouchable. Because so many of its drivers are adjustable, fluid targets, session length, treatment schedule, anemia management and sleep, a persistent change in how long you take to recover is worth a specific conversation. Clinicians often ask people to keep a simple note of recovery time for a few weeks, since the trend is more informative than any single bad day.

Why low blood pressure during dialysis happens

Low blood pressure during dialysis, known clinically as intradialytic hypotension, is the most common complication of hemodialysis according to the NHS. It can feel like lightheadedness, nausea, blurred vision, yawning, sweating, a heavy sense of fatigue, or it can be silent and caught only on the arm cuff.

The mechanism is mostly about volume. Blood pressure depends on how much fluid is circulating and how firmly blood vessels squeeze. Hemodialysis pulls fluid out of the bloodstream directly, and the body replaces it by drawing water from the tissues between cells. When fluid is removed faster than tissues can refill the vessels, the circulating volume falls and pressure drops. Larger fluid gains between sessions mean more to remove in the same number of hours, which raises the risk.

Other factors stack on top. Eating a large meal during treatment diverts blood to the gut. Heart disease, which is common in kidney failure, limits how well the heart can compensate. Autonomic neuropathy, a form of nerve damage often linked to diabetes, blunts the reflex that normally tightens blood vessels when pressure dips. Blood pressure medicines taken shortly before a session can also deepen the fall, which is why timing of those medicines is a routine discussion with the prescribing clinician rather than something to adjust alone.

Repeated episodes matter beyond the discomfort. Each steep drop briefly reduces blood flow to the heart, brain and gut, and the team may respond by lowering the fluid removal rate, cooling the dialysate slightly, revising the target weight or lengthening sessions so the same fluid comes off more gently. Which approach fits depends on the individual, and the decision sits with the treating nephrologist.

For the person in the chair, the practical point is simple: say something early. Nausea, yawning or a sense of fading are often the first signs, and nurses can intervene faster when they hear about them before the cuff confirms it.

Muscle cramps during dialysis: what triggers them

Few things are as memorable as a calf cramp arriving in the last half hour of a session, when you are tethered to a machine and cannot stand up to walk it off. Muscle cramps during dialysis are listed by both the NHS and the NIDDK among the common side effects, and they tend to strike the legs and feet, occasionally the hands or abdomen.

The exact cause is not fully settled, but the pattern points clearly at fluid and salt shifts. Cramps cluster when a large volume is being removed, when blood pressure is falling, and toward the end of treatment when the body is working hardest to pull fluid from tissues back into the bloodstream. Muscles that are relatively dehydrated at the cellular level, and exposed to rapid changes in sodium, calcium or magnesium, contract involuntarily. Low blood pressure reduces blood flow to muscle at the same moment, which likely compounds it.

Cramps also appear away from the unit, often at night on the evening of a session, for the same reasons. People sometimes assume they have overdone something physically, when the more likely explanation is that the session finished slightly below the fluid level the body can tolerate.

Because cramps and low blood pressure share causes, they tend to respond to the same adjustments: a review of the target weight, a slower rate of fluid removal, or a longer session. In the chair, the team may pause fluid removal, raise the legs or give fluid back through the lines. At home, gentle stretching and warmth are the usual self-care measures. Medicines are sometimes used for cramping that persists despite those changes, but that decision belongs to the prescribing team and depends on the individual’s other conditions.

Cramps that come with every session, that are worsening, or that are accompanied by weakness between sessions are not something to ride out quietly. They are information the team can use.

Fluid gain, dry weight and the gap between sessions

Dry weight is the term dialysis teams use for your estimated weight with no excess fluid on board: the weight at which blood pressure sits in a reasonable range and there is no swelling or breathlessness. Each session aims to bring you back toward it. The difference between your weight on arrival and that target is the fluid the machine will try to remove.

This is where tiredness, cramps and low blood pressure converge. If someone arrives several liters above target, that fluid has to come off in the same three to five hours. The NIDDK notes that gaining too much fluid between sessions can make treatment harder and raises the chance of problems during it. The more aggressive the ultrafiltration, the more likely pressure falls and muscles cramp, and the more washed out people feel afterward.

The target itself can also be wrong, in either direction. Weight changes for reasons unrelated to fluid: muscle loss during illness, appetite changes, improved nutrition. If true body weight falls and the dry weight target is not revised, the machine will keep pulling toward a number that is now too low, leaving the person chronically depleted with cramps, dizziness and exhaustion after every session. If true weight rises and the target lags behind, fluid accumulates and blood pressure climbs, with breathlessness and swelling the usual clues. Teams reassess dry weight regularly, and feedback about symptoms is a central part of that reassessment.

Salt drives thirst, and thirst drives fluid gain. Reducing sodium is the single most reliable lever people have over how much fluid they carry into a session, which is why dietitians spend so much time on it. Fluid allowances are individual and set by the team, taking account of any urine the kidneys still make.

The long weekend gap for people on a three-times-weekly schedule is when gains are largest. Spreading sodium and fluid caution evenly across those days makes the Monday session gentler than concentrating it into Sunday.

Anemia, sleep and other reasons tiredness after hemodialysis may not be normal

When tiredness after hemodialysis stops being predictable, the session is often not the main culprit. Several conditions that travel with kidney failure cause fatigue of their own, and they are worth separating out because most of them are treatable.

Anemia, a shortage of red blood cells to carry oxygen, is very common in kidney failure. The NIDDK explains that failing kidneys make less of the hormone erythropoietin, which signals the bone marrow to produce red cells, and that iron is also lost with dialysis and poorly absorbed. The result is a steady, heavy fatigue, breathlessness on stairs and sometimes a racing heart. Teams check hemoglobin and iron stores routinely and may treat with iron or with erythropoiesis-stimulating agents, medicines that mimic the missing hormone. Whether and how to use them is a decision for the prescribing clinician, weighed against blood pressure and clotting risks.

Sleep problems are nearly universal. Restless legs, itching, sleep apnea and the simple disruption of early morning or late evening sessions all fragment the night. Untreated sleep apnea deserves specific mention because it is common in kidney failure, worsens fatigue and blood pressure, and is often missed.

Depression and low mood affect many people living with a demanding chronic treatment, and fatigue is one of their core symptoms. Screening for mood is a standard part of good dialysis care, and raising it is not a sign of weakness.

Under-dialysis, meaning sessions that are too short or interrupted to clear waste adequately, can also present as rising tiredness, poor appetite and nausea. Infection, especially around a catheter access, thyroid problems, and low protein intake round out the list.

A practical rule of thumb: tiredness that is proportional to the session and lifts by the next day is likely the session. Tiredness that persists on non-dialysis days, that is getting worse, or that arrives with new symptoms deserves a review.

Who tends to feel these effects most, and who is usually asked to wait before changing their plan

Not everyone experiences hemodialysis the same way, and clinicians have a reasonable sense of who is more likely to struggle with fatigue, cramps and pressure drops. People with large fluid gains between sessions sit at the top of that list. So do people with diabetes, where nerve damage blunts blood pressure reflexes, and people with heart disease, where the heart cannot compensate as readily for shrinking volume. Older adults, those with low muscle mass, and anyone recently hospitalized or recovering from infection tend to find sessions harder for a time.

Newly started patients deserve their own mention. The first weeks on dialysis involve a steep adjustment: the body is still clearing a backlog of waste, the dry weight is still being estimated, and the schedule itself is disorienting. Fatigue in this period is expected and often improves as targets settle. Teams commonly ask new patients to allow several weeks of stable treatment before judging how they tolerate it.

When symptoms persist, there are options the team may consider: longer or more frequent sessions, a shift to home hemodialysis where treatment can be spread across more days, or peritoneal dialysis, which uses the lining of the abdomen as a filter and avoids the rapid shifts of in-center treatment. The NIDDK outlines these as alternatives with their own trade-offs rather than upgrades.

Who is asked to wait? People whose symptoms coincide with an acute illness, a recent change in medicines or a recent hospital stay are usually monitored for a few weeks before the dialysis prescription itself is altered, because the symptoms may resolve on their own. People with uncontrolled fluid gains are often asked to work on sodium and fluid first, since changing the machine settings cannot fix a volume problem that begins at home. Anyone considering a different modality will go through assessment of their access, home situation and other conditions. In every case the decision rests with the treating nephrology team, informed by what the person reports.

Tiredness, cramps and low blood pressure after dialysis compared: what to report and when

The three symptoms in this article overlap, share causes and often arrive together, but they do not all carry the same urgency. The table below separates what is usually routine from what the team wants to hear about promptly. It is a guide to conversation, not a tool for self-diagnosis.

Symptom	What is usually happening	Typical pattern	Mention at the next session	Contact the unit before then
Tiredness	Rapid fluid and salt shifts; sometimes anemia, poor sleep or under-dialysis	Worst in the first hours, eases overnight	Recovery stretching into the next day; gradual worsening over weeks	New severe weakness, confusion, breathlessness or chest discomfort
Muscle cramps	Fluid removed faster than tissues refill; sodium, calcium or magnesium shifts	End of session or the same evening, legs and feet	Cramps at most sessions; night cramps after treatment	Cramps with marked weakness, palpitations or fainting
Low blood pressure	Circulating volume falls; blunted reflexes; medicine timing	Late in session; lightheaded, nauseated, yawning	Repeated dizziness on standing at home after sessions	Fainting, a fall, chest pain, or dizziness that does not settle with rest

Two patterns cut across all three rows. The first is change: a symptom that has been stable for months and suddenly worsens is more significant than one that has always been present at a tolerable level. The second is clustering: cramps plus dizziness plus unusual tiredness after a single session often point to too much fluid removed or a dry weight that has drifted, and that combination is exactly what prompts a target review.

Keep the note simple. Many people jot the time they feel back to normal after each session and whether cramps or dizziness occurred. Three weeks of that record tells a nephrologist more than the most detailed account of one difficult day.

What the days between sessions usually look like

Life on a three-times-weekly schedule has a rhythm, and knowing it helps distinguish ordinary ebbs from genuine warning signs. The following description reflects what people commonly report and what guideline sources describe; individual weeks vary.

Session day. Energy is often reasonable in the morning, particularly if fluid gain was modest. The session itself is tiring in a passive way. The evening afterward is the low point for most: heavy limbs, a desire to sleep, sometimes a headache or mild nausea if blood pressure dipped. Appetite may be poor. Eating a light, protein-containing meal and resting is the usual advice, and most people feel noticeably better by morning.

The day after. For many this is the best day of the week. Waste levels are at their lowest, fluid is near target, and the fatigue has lifted. It is a sensible day for appointments, errands and exercise.

The second day between sessions. Fluid and potassium are climbing again. People who are careful with sodium notice little; those carrying more fluid may feel puffy around the ankles, slightly breathless lying flat, or simply heavier. Energy begins to fall.

The long gap. On a Monday-Wednesday-Friday schedule the weekend stretches to two full days off treatment. Fluid gains are largest, and so is the risk of a difficult Monday session with more cramps and pressure drops. Tiredness on Sunday evening is usually about accumulation rather than the previous session.

Over weeks and months the picture shifts again. Many people find sessions easier once dry weight settles, anemia is managed and the routine becomes familiar. Others notice slow deterioration, often linked to loss of muscle or a dry weight that has not been updated. Teams generally review the full picture at regular clinic visits, which is where a recovery-time diary earns its keep.

What you can do at home that the evidence actually supports

Self-management on dialysis is less about heroic effort and more about reducing the load each session has to carry. The measures below are consistent with NIDDK and NHS guidance; the specifics, especially fluid and dietary targets, are set by your own team and dietitian.

Sodium first. Salt drives thirst, and thirst drives fluid gain, which drives every symptom in this article. Reading labels, cooking with herbs and acid instead of salt, and limiting processed and restaurant food do more to soften a session than almost anything else. Potassium and phosphorus limits are individual and should follow your dietitian’s plan.

Spread fluid evenly. Rather than being strict for two days and loose on the third, aim for the same intake each day within the allowance you have been given. Small cups, ice chips and sour candies are common ways people manage thirst.

Eat enough protein. Dialysis removes amino acids and many people lose muscle, which worsens fatigue and cramps. Appetite is often poor on session days, so some people eat their main protein meal on non-dialysis days and keep session-day food lighter, avoiding a heavy meal immediately before or during treatment because of its effect on blood pressure.

Move. Regular gentle activity, walking, cycling, stretching, is associated with better physical function and energy in people on dialysis, and some units offer exercise during treatment. Start small and build on good days.

Protect sleep. Keep a regular bedtime, raise snoring or breath-holding with the team, and mention restless legs and itching rather than enduring them.

Time medicines as prescribed. Blood pressure medicines taken shortly before a session can deepen pressure drops. The right timing is decided by the prescribing clinician; do not move or skip doses on your own, but do raise the question.

Stand up slowly after sessions, sit for a few minutes before walking to the car, and avoid driving if you feel lightheaded.

What people often get wrong about tiredness after dialysis

Myths gather around any treatment that is repeated hundreds of times, and some of them actively make things worse. A few corrections, grounded in what the evidence shows.

Myth: the machine is taking my strength. Hemodialysis removes water and waste, not energy or vitality in any direct sense. The tiredness comes from how fast the body has to adapt to those changes, and from conditions such as anemia that travel alongside kidney failure. It is a consequence of the speed of correction, not a toll extracted by the treatment.

Myth: feeling wiped out means the session worked well. There is no evidence that more fatigue equals better clearance. Rough sessions with large pressure drops are, if anything, associated with worse outcomes over time, which is precisely why units try to make treatment gentler rather than tougher.

Myth: cramps are from sitting still. Cramps during dialysis are driven by fluid and salt shifts, not inactivity. They tend to signal that the session finished slightly below what the body could tolerate, and reporting them often leads to a dry weight review.

Myth: I should drink more to fix the dizziness. Lightheadedness after a session is about volume moving between compartments, and drinking beyond the allowance simply increases the fluid that must be removed next time, making the following session harder. Report the dizziness instead.

Myth: skipping or shortening a session when tired is a reasonable trade. Missed or cut-short treatment lets waste and fluid accumulate, which makes the next session more aggressive and the fatigue worse. If attendance is becoming difficult, that is a conversation to have with the team, not a decision to make alone.

Myth: nothing can be done, this is just dialysis. Fluid targets, session length, schedule, modality, anemia treatment, sleep and mood are all adjustable. People who report their symptoms are the ones whose prescriptions get refined.

Questions to ask your care team about fatigue, cramps and blood pressure

Dialysis appointments are frequent but often rushed, and it is easy to leave without asking the thing that was bothering you. A written list helps. The questions below are starting points; the answers will be individual.

• What is my current dry weight, when was it last reassessed, and what symptoms would tell you it needs changing?
• How much fluid am I typically gaining between sessions, and how does that compare with what you would like to see?
• Did my blood pressure drop during today’s session, and by how much? Is that a pattern?
• Would a longer session, a slower fluid removal rate or a cooler dialysate be options for me, and what are the trade-offs?
• What are my latest hemoglobin and iron results, and are they likely contributing to how tired I feel?
• Should any of my blood pressure medicines be taken at a different time on dialysis days? (Ask the prescriber; do not adjust on your own.)
• Could my sleep be part of this? Is screening for sleep apnea or restless legs appropriate?
• Is my treatment clearing enough waste? What do my clearance measures show?
• Would home hemodialysis or peritoneal dialysis be worth discussing given how I feel after sessions?
• Who do I contact, and how, if I feel unwell at home between sessions?
• Is there an exercise program or physical therapy referral that fits my situation?
• Would a review with the dietitian help me manage sodium and thirst more effectively?

Bring your recovery-time notes, a list of all medicines including over-the-counter products and supplements, and if possible a family member who can describe what they observe after sessions. Ask for the answer to be written down if it involves a change in plan. None of these questions implies something is wrong; they are the ordinary business of refining a treatment that most people continue for years.

When to call your doctor or dialysis unit

Most post-session tiredness, mild cramping and brief lightheadedness settle with rest and can be mentioned at the next appointment. Some situations should not wait. Contact your dialysis unit or doctor the same day, or seek emergency care, if you notice any of the following.

Red flags that need urgent attention:

• Fainting, a fall, or dizziness that does not improve after lying down for several minutes
• Chest pain, pressure or tightness, or a racing or irregular heartbeat
• Shortness of breath at rest, breathlessness lying flat, or waking gasping for air
• Sudden severe weakness, especially muscle weakness in the legs or arms, which can signal a dangerous potassium level
• Confusion, unusual drowsiness, slurred speech or a seizure
• Fever, chills, or redness, warmth, pus or pain at the access site, which may indicate infection
• Bleeding from the access that does not stop with firm pressure after about ten minutes
• The access losing its usual buzz or thrill, which can mean it has clotted
• Persistent vomiting, inability to keep fluids down, or black or bloody stools

Call promptly, though not necessarily as an emergency, if tiredness has clearly worsened over recent weeks without explanation, if cramps or dizziness now happen at most sessions, if you are gaining much more fluid than usual, if swelling in the legs or face is new, or if you have missed or shortened a session for any reason.

The NHS and NIDDK both emphasize that people on dialysis should have a clear route to their unit outside session hours. Make sure you know that number and keep it where family members can find it. When in doubt, call. Dialysis teams would far rather hear about a symptom that turns out to be minor than learn afterward that a warning sign was ignored. Every decision about adjusting your treatment, your fluid targets or your medicines rests with the team caring for you, and the quality of those decisions depends on what you tell them.

Frequently asked questions

How long does dialysis fatigue last after a session?

Most people feel worst in the first few hours after hemodialysis and notice the fatigue easing overnight. Studies that ask patients how long they take to recover report a wide range, from under an hour to the following day, and occasionally longer. Recovery that regularly stretches past the next morning, or that is lengthening over time, is worth raising with your dialysis team because fluid targets, anemia and sleep are often adjustable.

Is post dialysis fatigue a sign my treatment is not working?

Usually not. Post dialysis fatigue most often reflects the speed of fluid and salt changes during a session rather than inadequate clearance. That said, under-dialysis can present as rising tiredness along with poor appetite and nausea, so a clear change in how you feel should prompt your team to review clearance measures, dry weight and blood counts rather than being dismissed as routine.

What causes low blood pressure during dialysis?

Blood pressure falls when fluid is removed from the bloodstream faster than the body can pull water back from the tissues to replace it. Large fluid gains between sessions, heart disease, diabetes-related nerve damage, eating a heavy meal during treatment and the timing of blood pressure medicines can all deepen the drop. Reporting early symptoms such as nausea, yawning or lightheadedness lets staff intervene sooner.

Why do I get muscle cramps during dialysis, and are they dangerous?

Cramps during dialysis are linked to rapid fluid removal and shifts in sodium, calcium and magnesium, usually late in the session when the body is working hardest to refill the bloodstream. They are painful rather than dangerous in themselves, but frequent cramps often indicate that the dry weight target or fluid removal rate needs review. Cramps accompanied by marked weakness or palpitations should be reported promptly.

Should I drink more water if I feel dizzy after dialysis?

No. Dizziness after a session reflects fluid shifting between body compartments, not overall dehydration, and drinking beyond your allowance increases what must be removed next time, making the following session harder. Lie down or sit with your legs raised until the feeling passes, stand up slowly, and report the episode to your unit so the team can consider adjusting your targets.

Can anemia make tiredness after hemodialysis worse?

Yes. Failing kidneys produce less erythropoietin, the hormone that signals red blood cell production, and iron is lost during dialysis, so anemia is very common. It causes a steady fatigue that persists on non-dialysis days, often with breathlessness on exertion. Your team monitors hemoglobin and iron stores routinely and decides whether iron or erythropoiesis-stimulating agents are appropriate for you.

Does the day of the week change how tired I feel?

For many people it does. On a three-times-weekly schedule the longest gap falls over the weekend, so fluid and waste build highest before the first session of the week, which then tends to be harder, with more cramps and pressure drops. The day after any session is often the best day. Spreading sodium and fluid caution evenly across the long gap helps.

Can changing the type or length of dialysis reduce fatigue and cramps?

It may. Longer or more frequent sessions remove the same fluid more slowly, which tends to reduce pressure drops and cramps. Home hemodialysis and peritoneal dialysis spread treatment across more days and avoid the sharp shifts of in-center sessions. Each option has trade-offs involving access, training and home circumstances, and suitability is assessed individually by the treating nephrology team.

Is it safe to exercise when I feel tired after dialysis?

Gentle activity such as walking or stretching is generally encouraged for people on dialysis and is associated with better physical function and energy. The evening after a session is often the wrong time; many people exercise on non-dialysis days or during treatment where units offer it. Check with your team before starting a new program, particularly if you have heart disease or recent falls.

When should I call my dialysis unit instead of waiting for my next session?

Call the same day, or seek emergency care, for fainting, chest pain, breathlessness at rest, sudden severe weakness, confusion, fever or signs of infection at the access, bleeding that does not stop with pressure, or loss of the access buzz. Also call promptly if tiredness has clearly worsened over weeks, cramps or dizziness now occur at most sessions, or you have missed a treatment.

References

• NIDDK (NIH): Hemodialysis
• NHS: Dialysis, side effects
• NIDDK (NIH): Anemia in Chronic Kidney Disease
• MedlinePlus: Dialysis

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.