Hemophilia is a congenital bleeding disorder caused by deficiency of coagulation factors, mainly factor VIII and IX. It occurs in 1 in 5000 males and is transmitted by asymptomatic females. Symptoms include prolonged bleeding after injuries or surgery and bleeding into joints and muscles. Treatment involves replacing the missing coagulation factor through administration of specific factor concentrates during bleeding episodes. Nursing care focuses on preventing bleeding episodes, managing pain and swelling, and supporting family coping. Prognosis depends on severity of symptoms and availability of treatment.