Histamine Testing (and how it does and does not relate to Mast Cell Activation)
/Histamine intolerance is sometimes confused with mast cell activation syndrome, though they are related conditions. Patients with either of these conditions may have trouble metabolizing histamine, and serum DAO testing is one way of assessing the patient’s ability to breakdown histamine. Lowered levels do correlate with some conditions and with symptoms, and can be useful from a testing perspective.
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