Mast cell activation syndrome ... Although both conditions are diseases of mast cells and present with similar symptoms, they are different. Mastocytosis occurs when a gene mutation causes ...

According to the American College of Allergy Asthma and Immunology, nearly one in three U.S. adults report having a seasonal ...

Caroline Cray was diagnosed with mast cell activation syndrome in May 2019 ... involves repeated episodes of anaphylactic symptoms. Treatment of this diagnosis involves a low histamine diet ...

In addition to mast cell activation symptoms, advanced SM is associated with organ damage due to mast cell infiltration and poor survival. AYVAKIT (avapritinib) is approved by the U.S. Food and ...