Medically reviewed by Jurairat J. Molina, MD Key Takeaways High histamine foods include fermented foods, alcohol, processed ...

When you hear the word "histamine," you might think of Benadryl—and you'd be right: Antihistamine drugs like Benadryl are used when the body produces histamines in reaction to an allergen. Histamines ...

Researchers from McMaster University and Queen's University have discovered a gut bacterial "super-producer" of histamine that can cause pain flare-ups in some patients with irritable bowel syndrome ...

New research at WashU Medicine has found that histamine-releasing immune cells cause the gates to the brain to close when bacteria are detected, blocking fluid movement out of the brain and pathogen ...