Hb S disease; Hemoglobin S Disease; Herrick's anemia; SCD 


Sickle cell anemia is an inherited disease in which the red blood cells, normally disc-shaped, become crescent shaped. As a result, they function abnormally and cause small blood clots. These clots give rise to recurrent painful episodes called "sickle cell pain crises."

Sickle Cell Anemia as related to Genetics/Birth Defects