Connect with others who understand.

  •   Learn from expert-reviewed resources
  •   Real advice from people who’ve been there
  •   People who understand what you’re going through
Sign Up Log In
All Resources Treatments A-Z Personal Assistant Help Center Crisis
Powered By

Sickle Cell Fatigue: The Overlooked Symptom and What Helps

Medically reviewed by Warren Brenner, M.D.
Written by Dunstan Nicol-Wilson
Posted on October 5, 2026

Key Takeaways

  • Many people with sickle cell disease experience a deep, persistent fatigue that goes far beyond ordinary tiredness, and it is directly tied to how the disease affects the body.
  • Fatigue in sickle cell disease is caused by a combination of chronic anemia, organ strain, pain crises, and related issues like sleep problems, depression, and frequent infections. These factors overlap and feed into each other, making fatigue one of the most challenging parts of living with the condition, yet it often goes unrecognized because it is invisible to others.
  • While there is no single fix for sickle cell fatigue, talking with a healthcare provider about treatment options and combining medical care with everyday strategies like pacing activities, staying hydrated, getting gentle movement, and building a support network can help make a real difference in daily life.
    • View all takeaways

Have you experienced a tiredness that doesn’t go away no matter how much you sleep? This is called fatigue, and many people with sickle cell disease (SCD) experience it.

Fatigue can make it hard to get through a workday, keep up with your kids, or even shower, cook dinner, or complete other everyday tasks.

Co-workers, family, or even doctors may treat it like you’re just tired or you need an earlier bedtime. Fatigue in sickle cell disease isn’t the same as everyday tiredness. It’s more persistent, harder to shake, and usually tied to the disease itself rather than a rough night’s sleep.

🗳️ Have you talked with a doctor about fatigue from sickle cell disease?
Yes, and it was helpful.
Yes, but it wasn’t helpful.
No, but I plan to.
No, and I don’t plan to.

Understanding why it happens and what can help is the first step toward relief.

Why Sickle Cell Disease Causes Fatigue

Fatigue in SCD comes from a mix of how the disease changes the red blood cells and how SCD affects the body.

Chronic Anemia

People with sickle cell disease have red blood cells that are rigid and crescent-shaped instead of round and flexible. These cells break down much faster than healthy ones.

Over time, that leaves the body with a long-term shortage of red blood cells. This is called anemia.

Fewer healthy red blood cells mean less oxygen reaches the body’s tissues. That oxygen shortage directly causes fatigue.

Organ Strain

Because sickled cells can’t carry oxygen as well, the heart and lungs have to work harder than normal. The heart often beats faster to meet the body’s everyday oxygen needs.

Over time, this extra workload can contribute to complications like heart problems and high blood pressure in the lungs, also called pulmonary hypertension. It’s also part of why the body runs low on energy.

Pain

Pain crises happen when sickle-shaped cells get stuck and block blood flow. This causes sudden, intense pain along with inflammation, often in the chest, abdomen, back, arms, and legs.

Fighting through that pain and the inflammation that comes with it drains the body’s reserves. That’s a big reason people with SCD often feel drained and exhausted, even after a crisis has passed.

Other Health Issues That Can Make Fatigue Worse

Sickle cell disease itself isn’t the only thing driving fatigue. Several related issues tend to pile on top of it:

  • Sleep problems — Managing ongoing pain can make it hard to fall or stay asleep. Poor sleep quality directly worsens fatigue because the body doesn’t have enough time to recover.
  • Depression and anxiety — These conditions can be common in people with SCD. Pain, fatigue, and sleep disruption are closely tied to depression, and the relationship runs in both directions.
  • Frequent infections — Sickle cell disease can damage the spleen, an organ that helps fight certain infections. This can raise the risk of getting sick more often, and illness can leave you feeling more worn down.
  • Heart, lung, and kidney complications — Beyond the extra workload described above, SCD can lead to specific complications in these organs. This can add to the fatigue already caused by anemia and pain.

Because so many of these factors overlap and feed into each other, it can be hard to say where one ends and another begins. Researchers are still working to understand exactly how they interact, but it’s well established that they all can play a role.

The Day-to-Day Impact of Fatigue

For many people with sickle cell disease, fatigue isn’t just about feeling sleepy. It’s about not having the energy to meet the demands of daily life.

A 2025 study of children and young people with SCD found that fatigue significantly affects their physical, social, and educational lives. It often leads to feeling isolated because the symptom is invisible to the people around them. In everyday life, that can look like:

  • Struggling to focus, needing extra breaks, or missing days at work or school because they don’t have enough energy to push through
  • Not having the stamina to keep up with young kids, or needing to rest instead of playing with them or running errands
  • Canceling plans or pulling back from a partner, friends, or family, even when you want to be there
  • Skipping events or leaving early, which can leave people feeling cut off from their community
  • Feeling as though everyday tasks like cooking, cleaning, or even showering are starting to become major projects

That invisibility can create real friction, too. Fatigue can’t be seen the way a pain crisis or a hospital visit can. Because of that, people with SCD sometimes feel unheard when they bring it up, even with their own care providers.

People may mistake them for being unmotivated or making excuses. Fatigue isn’t a matter of willpower — it’s the toll the body takes to keep functioning, and recognizing that distinction matters for both people with SCD advocating for themselves and the people supporting them.

What Helps With Sickle Cell Fatigue

There’s no single fix for SCD-related fatigue, but a combination of medical treatment and day-to-day strategies can make a real difference.

Treatment Approaches

Here are some treatment approaches your healthcare provider may recommend to help with fatigue:

  • Disease-modifying therapies — Hydroxyurea is a daily medicine that increases fetal hemoglobin, a type of hemoglobin that helps red blood cells carry oxygen more effectively. That can mean more energy and less fatigue from anemia.
  • Blood transfusions — Transfusions replace sickled red blood cells with healthy donor cells, which helps restore the blood’s ability to carry oxygen throughout the body.
  • Mental health care — Because depression and anxiety are so closely tied to fatigue, treating them through therapy, medication, or both can be part of managing fatigue.
  • Managing complications — Treating related issues like sleep problems or lung and heart complications can also ease some of the added strain contributing to fatigue.

Everyday Strategies

Here are some everyday strategies to help manage fatigue:

  • Pace your activities and plan your rest — Balancing activity with built-in breaks, rather than pushing through until you’re exhausted, can help conserve energy.
  • Stay hydrated and eat well — Good hydration and nutrition help the body maintain the reserves it needs to function.
  • Get gentle movement, where possible — Although it can feel counterintuitive, staying active in small ways tends to help more than complete rest.
  • Practice sleep hygiene — Going to bed at consistent times and supporting your body’s natural sleep-wake cycle can improve sleep quality, not just quantity.
  • Ask for support — Leaning on a support network such as friends, family, or a support group can ease the day-to-day burden fatigue creates.

Some people also find it helpful to track fatigue daily on a simple 1-10 scale, the same way many already track pain. There isn’t a standardized fatigue scale for SCD. Still, a personal tracking system can help you and your care team spot patterns over time, like which days are worse and what might be triggering them.

The Need for More Research

Fatigue in sickle cell disease still needs more attention from researchers.

A 2025 systematic review found 16 different tools being used to measure fatigue across SCD studies. It found inconsistent definitions of fatigue and no single, standardized scale built specifically for the condition. These factors make it hard to compare findings across studies or fully understand how common the problem really is.

Sickle cell disease looks different from person to person, which makes fatigue even harder to pin down and standardize.

More research means better tools. Better tools mean people living with SCD would be more likely to have their fatigue recognized and treated as the real, disease-driven symptom it is, rather than dismissed as something they should just be able to push through.

References
  1. Fatigue, Stress Appraisal, and Emotional Functioning Among Youth With Sickle Cell Disease: A Daily Diary Study — Journal of Pediatric Psychology
  2. Predictors and Correlates of Fatigue in Sickle Cell Disease Patients — International Journal of Hematology-Oncology and Stem Cell Research
  3. Sickle Cell Anemia — Mayo Clinic
  4. How Sickle Cell Disease May Affect Your Health — National Heart, Lung, and Blood Institute
  5. Cardiovascular Consequences of Sickle Cell Disease — Biophysics Reviews
  6. Sickle Cell Related Cardiomyopathy and Cardiovascular Autonomic Dysfunction — Frontiers in Cardiovascular Medicine
  7. Heart Starts Suffering Early in Sickle Cell Disease — Haematologica
  8. The Vaso-Occlusive Pain Crisis in Sickle Cell Patients: A Focus on Pathogenesis — Current Research in Translational Medicine
  9. Inflammation and Autoimmunity Are Interrelated in Patients With Sickle Cell Disease at a Steady-State Condition: Implications for Vaso-Occlusive Crisis, Pain, and Sensory Sensitivity — Frontiers in Immunology
  10. Sleep Behaviour in Sickle Cell Disease: A Systematic Review and Meta-Analysis — Children
  11. Psychosocial Challenges of Persons With Sickle Cell Anemia: A Narrative Review — Medicine
  12. Infections in Sickle Cell Disease — Haematologica
  13. ‘It’s Like Going Through Life at a Mediocre Level’: A Qualitative Study of the Meaning and Impact of Fatigue in Children and Young People With Sickle Cell Disease — BMC Pediatrics
  14. Hydroxyurea in the Sickle Cell Disease Modern Era — Expert Review of Clinical Pharmacology
  15. Transfusion Therapy in Sickle Cell Disease — Annals of Blood
  16. Managing Emotional and Physical Stress in Sickle Cell Anemia: A Review of Effective Strategies and Approaches — Annals of Medicine and Surgery
  17. Measurement of Fatigue in Sickle Cell Disease: A Systematic Review of Fatigue Measures — Orphanet Journal of Rare Diseases
  18. Exercise and Training in Sickle Cell Disease: Safety, Potential Benefits, and Recommendations — American Journal of Hematology
  19. Fatigue and Sickle Cell Disease — SCD Sickle Cell Disease
Read full article
Share this article
All updates must be accompanied by text or a picture.

We'd love to hear from you! Please share your name and email to post and read comments.

You'll also get the latest articles directly to your inbox.

Subscriber Photo Subscriber Photo Subscriber Photo
463 members
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service.
Privacy Policy • Terms of Use
All updates must be accompanied by text or a picture.

Subscribe now to ask your question, get answers, and stay up to date on the latest articles.

Get updates directly to your inbox.

Subscriber Photo Subscriber Photo Subscriber Photo
463 members
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service.
Privacy Policy • Terms of Use

Related

  • What foods and drinks should I avoid with sickle cell disease? See answer
  • What can trigger a sickle cell pain crisis? See answer
  • Where can I find help with transportation, housing, or paying for care? See answer
  • What's the difference between sickle cell trait and sickle cell disease? See answer
Multiple Diagnoses Topics Anemia Chronic Fatigue Syndrome (Cfs) Pulmonary Hypertension (Ph) View All
Acute Chest Syndrome With Sickle Cell: What Makes It an Emergency
Chest pain, trouble breathing, or fever can be worrying when you have sickle cell disease (SCD) o...
Acute Chest Syndrome With Sickle Cell: What Makes It an Emergency
Chest pain, trouble breathing, or fever can be worrying when you have sickle cell disease (SCD) o...
Sickle Cell Trait Symptoms: What To Watch For
Finding out you have sickle cell trait (SCT) can leave you with questions about what that means f...
Sickle Cell Trait Symptoms: What To Watch For
Finding out you have sickle cell trait (SCT) can leave you with questions about what that means f...
Avascular Necrosis and Sickle Cell: When Joint Pain Is More Than a Crisis
Living with sickle cell disease (SCD) means you may know the pattern of a pain crisis well. But n...
Avascular Necrosis and Sickle Cell: When Joint Pain Is More Than a Crisis
Living with sickle cell disease (SCD) means you may know the pattern of a pain crisis well. But n...
Continue with Facebook
Continue with Google
By joining, you accept our Terms of Use, and acknowledge our collection, sharing, and use of your data in accordance with our Health Data and Privacy policies.
Already a member? Log In

Thank you for subscribing!

Become a member to get even more

See answer