Histamine intolerance refers to when the body cannot eliminate histamine. This can result in symptoms that mimic an allergic reaction. It can occur due to genetic factors or certain medications.

Handling histamine intolerance can be difficult, especially if you enjoy eating foods high in histamine. Side effects like headaches, hives, and gastrointestinal problems can quickly spoil your day.

People on TikTok claim taking antihistamines like Pepcid AC and Zyrtec can help alleviate PMDD symptoms. Doctors explain ...