MRCP UK EXAMINATIONS

Detailed explanation-1: -Periodic episodes of extreme pain, called pain crises, are a major symptom of sickle cell anemia. Pain develops when sickle-shaped red blood cells block blood flow through tiny blood vessels to your chest, abdomen and joints. The pain varies in intensity and can last for a few hours to a few days.

Detailed explanation-2: -Painful episodes Episodes of pain known as sickle cell crises are one of the most common and distressing symptoms of sickle cell disease. They happen when blood vessels to part of the body become blocked. The pain can be severe and last for several days or weeks.