What is antiphospholipid antibody syndrome?
A person with antiphospholipid antibody syndrome has an immune system problem that causes the body to develop antibodies to phospholipids. Phospholipids are an important part of cell membranes. When antibodies bind to phospholipids it causes the blood to form clots. Antiphospholipid antibody syndrome may be seen in association with deep venous thrombosis, stroke, heart attack, and pregnancy.

What are the symptoms of antiphospholipid antibody syndrome?
People with antiphospholipid antibody syndrome will often form blood clots in the legs, a condition known as deep venous thrombosis. This causes leg pain and leg swelling.

How does the doctor treat antiphospholipid antibody syndrome?
Antiphospholipid antibody syndrome is treated with anticoagulants such as heparin and Coumadin.