What is Mastocytosis?

Mastocytosis is a rare disorder that results from too many mast cells building up in your body. A mast cell is a type of immune cell. Mast cells are found in connective tissues throughout your body. Mast cells help your immune system function properly and normally help protect you from disease. Symptoms include flushing, hives, swelling, shortness of breath and brain fog.

Skip to content