Immune System Disorders

Antiphospholipid syndrome (APS) is a rare autoimmune disorder that can cause blood clots to form in your blood vessels. This can lead to various health problems, including [...]

Sarcoidosis is a rare inflammatory disease that can affect multiple organs in the body, most commonly the lungs and lymph glands in the chest. If you have sarcoidosis, red, [...]

Paroxysmal nocturnal hemoglobinuria (PNH) is a rare blood disease that occurs when your immune system attacks and breaks down your red blood cells. This condition can affect [...]

Polymyalgia rheumatica (PMR) is an inflammatory condition that causes widespread pain, stiffness, or aching in the large muscle groups, especially around the shoulders, hips, [...]

Follicular lymphoma is a type of non-Hodgkin's lymphoma, a cancer that affects white blood cells called lymphocytes. These cells play a crucial role in your body's [...]

Autoimmune hemolytic anemia (AIHA) is a rare type of anemia where your body's immune system mistakenly attacks and destroys red blood cells faster than your bone marrow [...]

Vasculitis is an autoimmune disease that causes inflammation in your blood vessels, making it harder for blood to flow to your tissues and organs. When not enough blood [...]

Neutropenia is a condition in which you have an unusually low number of white blood cells called neutrophils in your blood. Neutrophils are an essential part of your immune [...]

Waldenstrom's macroglobulinemia, also known as lymphoplasmacytic lymphoma (LPL), is a rare type of blood cancer that usually progresses slowly. It is a form of [...]

Myelodysplastic syndromes (MDS) are a rare group of blood disorders that occur when the bone marrow fails to produce enough healthy blood cells. The bone marrow is the spongy [...]