Antiphospholipid syndrome

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A condition in which the immune system mistakenly creates antibodies that attack tissues in the body.

Description

Antiphospholipid syndrome can cause blood clots to form within the arteries, veins and organs. The clots may lead to heart attack or stroke. The condition also can cause miscarriage and stillbirth in pregnant people.

Overview

Blood clotting related to antiphospholipid syndrome may cause pain, swelling or redness in the leg or arm. A stroke can happen in a young person with antiphospholipid syndrome, even if the person has no known risk factors for cardiovascular disease. It also may cause vaginal spotting or bleeding during pregnancy.

Symptoms

Blood-thinning medicines can reduce the risk of blood clots and miscarriage.

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