Aside from dietary changes, there is no set treatment for people with histamine intolerance. However, one or more of the following approaches may help: taking antihistamines. taking DAO enzyme supplements.
How long does it take to cure histamine intolerance?
For a histamine intolerance, here's what you can expect for the elimination diet: It takes about three to four weeks for histamines to clear out the tissue in your body, so you want to completely eliminate high-histamine foods for at least 21 days. Then, slowly reintroduce a single food for one week at a time.
Can you heal from histamine intolerance?
While curing histamine intolerance requires a root cause, functional medicine approach, you may find some relief following a low-histamine diet. Eliminating foods that are high in histamine may reduce the amount of histamine in your bloodstream that your body has to eliminate.