Overview
In aplastic anemia, the bone marrow makes too few red cells, white cells, and platelets.
It can be caused by the immune system, some medicines, toxins, or viruses.
Symptoms
Common signs:
- Tiredness, bruising, infections
Less common
- Pale skin
- Shortness of breath
- Fever
When to get medical care
Call 911Fever or heavy bleeding.
Get care todayNew bruising.
See a doctor soonSymptoms that last or keep coming back.
Causes
Marrow failure.
Does it spread or run in families?
- It isn't contagious. You can't catch it from someone else.
Diagnosis
Blood and marrow tests.
Treatment
Avoid infection.
Self-care
- Handwashing
- Wash hands often and avoid sick people
- Use a soft toothbrush
- Avoid contact sports
- Avoid crowds
Prevention
To lower your risk or prevent problems:
- Avoid benzene and toxic chemicals
Which doctor treats this
- Start with your primary care provider (family doctor or internist).
- They may send you to a hematologist (blood doctor).
Living with it
Support groups and helplines
- Genetic and Rare Diseases Information Center (GARD): Free NIH information on rare diseases, including where to find experts and patient groups.
- National Organization for Rare Disorders (NORD): Patient groups, help finding care, and aid programs for rare diseases.
Children, pregnancy, and older adults
- Young adults and older adults: Most common.
- Young adults: Most common.
Pregnancy and breastfeeding
- If you're pregnant or planning to be, tell your prenatal provider about this condition.
- Don't start or stop any medicine on your own. Some are safe in pregnancy and some need to be changed.
- Ask before taking any pain reliever. The FDA advises avoiding ibuprofen and naproxen after 20 weeks unless your doctor says to.
- Breastfeeding: Most medicines are fine, but ask. The NIH LactMed database lists what's known about each one.
Outlook
Treatable.
Stem cell transplant can cure it.
Getting ready for your visit
Bring a list of your symptoms and medicines.
What to bring
- A list of your medicines and supplements
- Notes on when symptoms started and what makes them better or worse
Questions to ask
- What's causing my symptoms?
- What treatment do you recommend?
Research studies
Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.
Sources
Last updated 2026-11-12.