Sober living

Alcohol intolerance Symptoms & causes

Additionally, alcohol blocks the production of diamine oxidase (DAO), the enzyme in your body that helps break down histamine, says Alana Kessler, RDN and marijuana addiction founder of Be Well. She adds that over time, histamine overload—when there’s too much histamine in your body for it to break it down—can cause DAO to become deficient. Read Post