Systemic chemotherapy is when chemotherapy drugs travel throughout your body. This type of chemotherapy can be given intravenously or orally. Chemotherapy, or “chemo,” is a type of cancer treatment ...

Systemic mastocytosis (SM) is a rare blood disorder in which the body produces too many mast cells. Part of the immune response, mast cells are a type of white blood cell that releases histamine in ...

When people talk about “lupus,” they usually mean systemic lupus erythematosus (SLE), the most common type. But there are several other types and subtypes, some of which can overlap. Lupus is a ...