There's no single protocol for MCAS. For some patients, viruses or chronic infections keep the immune system on alert. My job is to identify those triggers and use the right tools to Augmentation of Mast Cell Stability, a Therapeutic Strategy for Idiopathic Pulmonary Fibrosis Mast Cell Activation Syndrome (MCAS): The Silent Storm Behind Histamine, Swelling & Sensitivity Have you ever felt like your body is overreacting to everything? One day it's your skin. The next Mast Cells: MCAS, Genetics, and Solutions