Its deficiency in the body manifests with a large number of symptoms. Most patients have an average of three of these symptoms, with migraine being the most prevalent.

The most common symptoms are:

• Migraine and other vascular headaches.
• Gastrointestinal disorders, especially those related to irritable bowel syndrome, such as constipation, diarrhea, satiety, bloating, or a feeling of swelling.
• Dermatological disorders such as dry skin, atopy, or psoriasis.
• Pains in soft tissues, usually diagnosed as fibromyalgia.
• Chronic fatigue.
• In childhood and adolescence, DAO deficiency has been linked to ADHD.
• Bronchial asthma, wheezing, respiratory disorders.

DAO deficiency has also been found in certain bowel conditions such as ulcerative colitis and Crohn's disease, or after long-term medication use.

22000 HDU diamine oxidase per capsule.

The digestive enzyme.