In a surprise finding, scientists have discovered that histamine, the inflammatory compound released during allergic reactions that causes runny nose, watery eyes, and wheezing, can be produced in ...

New educational initiative highlights root causes behind “hijacked” symptoms often misattributed to anxiety, hormones, ...

Explore the link between histamine and migraine. Learn about histamine intolerance, acute treatments like Benadryl, and whether a low-histamine diet could help.

Mounting evidence points to a link between new-onset allergies and Long COVID, with mast cell activation syndrome as a ...

Vascular endothelial cells are well known to play an important role in regulating tissue blood flow and metabolism, regulating blood coagulation and fibrinolysis, and forming a site for inflammatory ...

For many patients with diverse and seemingly unrelated symptoms, obtaining an accurate diagnosis can take years of specialist visits and inconclusive tests. Mast cell activation syndrome, a disorder ...

Q: My doctor thinks my mast cells are activating inappropriately and may be causing many of the symptoms I periodically have. Please tell me more about this condition. A: Mast cells are an important ...

When the white blood cells in our bodies encounter a pathogen they can release a molecule called histamine, which can have a variety of effects throughout the body, and is important to the immune ...

HALPERN 1 has shown that the injection of dextran into albino rats causes increased capillary permeability and shock. Coincident with the appearance of shock, there is a massive release of histamine ...