cerascreen histamine intolerance test - to determine histamine intolerance If the body reacts intolerantly to histamine, this usually manifests itself in symptoms such as headaches, rapid heartbeat, tiredness, rashes or problems with the digestive tract. The histamine intolerance test can help you determine histamine intolerance easily and conveniently from home. After sending in a small blood sample, the test results (evaluation of the concentration of the enzyme diamine oxidase (DAO), which breaks down histamine in the intestine) are accompanied by an explanation and interpretation as well as suggestions for dealing with the intolerance. Application: Using the test kit, the blood sample can be taken from the fingertip and then sent to the cerascreen laboratory in the enclosed envelope. The sample is then analyzed in detail and the results report is posted online for you in a secure area. Note : The test kit consists of instructions, an activation card with test ID for registration, disinfectant wipe, swab, plaster, 2 lancets CE 0050, 1 dry blood card and a return bag with which you can send your blood sample back to the cerascreen laboratory by post free of charge.