Idiopathic Thrombocytopenic Purpura (ITP): A Comprehensive Guide
Overview
Idiopathic Thrombocytopenic Purpura (ITP), also known as immune thrombocytopenia, is a blood disorder characterized by an abnormally low number of platelets (thrombocytopenia). Platelets are blood cells that help stop bleeding by clumping together to form clots. In people with ITP, the immune system mistakenly attacks and destroys platelets, leading to easy bruising, bleeding, and in severe cases, life-threatening hemorrhage.
ITP can affect both children and adults, though the course of the disease differs between these groups:
- Children: Often develops after a viral infection. It usually resolves within 6 months without treatment in about 80% of cases (Mayo Clinic).
- Adults: Tends to be chronic (long-lasting), with a higher likelihood of persistent or recurring symptoms. Women are affected 2-3 times more often than men (NIH).
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