Mast cell activation syndrome is a condition that causes mast cells to release an inappropriate amount of chemicals into your body. This causes allergy symptoms and a wide range of other symptoms.

Mast cell activation syndrome, a disorder involving immune cells gone awry, is increasingly recognized as the culprit behind many medical mysteries. The immune sentinels that can spark chaos.

Mast cell activation syndrome, or disease (MCAS), is a condition that causes mast cells to release these substances too frequently, resulting in severe allergic reactions. After detecting an ...

Inappropriate activation of mast cells — now termed mast cell activation disease (MCAD) — has long been known to underlie allergic symptoms and inflammation, and far less commonly, neoplasias ...

Q: My doctor thinks my mast cells are activating inappropriately and may be causing many of the symptoms I periodically have. Please tell me more about this condition. A: Mast cells are an ...

Mast cell activation syndrome (MCAS) is a condition where the mast cells are inappropriately triggered. Primary MCAS is due to a mutation in the mast cells themselves (typically in the KIT gene ...