When you are hurt, your body stops the bleeding by forming a blood clot. That takes two things: blood cells called platelets, and proteins called clotting factors. A bleeding disorder means one of them is missing or failing — there are not enough platelets or clotting factors, or they don't work the way they should.
Where a bleeding disorder comes from
| Cause | Example |
|---|---|
| Inherited | Hemophilia |
| Another disease | Severe liver disease |
| A missing nutrient | A lack of vitamin K |
| A medicine | A side effect of blood thinners |
Finding out
A diagnosis combines several blood tests that check for a bleeding disorder with a physical exam and your medical history.
Treatment
Treatment depends on the cause. It may include medicines and transfusions — of blood, of platelets or of clotting factor.
Sources
Based on the MedlinePlus health topic "Bleeding Disorders," National Library of Medicine; a work of the United States government in the public domain.
ライセンス： CC0 1.0（パブリックドメイン） · 出典 medlineplus.gov
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