Histamine intolerance is considered a subset of MCAS where too much histamine is released from mast cells, too much histamine is taken in by consuming histamine-containing foods.

Living with Mast Cell Activation Syndrome (MCAS) usually results in widespread mast cell activation syndrome symptoms that are seemingly unrelated. Learn about twelve tips for living with MCAS.

Many of my patients find that natural treatments are sufficient in treating their MCAS. For others, natural treatments allow them to reduce the number or amount of drugs they need.