Dr. Dean Mitchell Highlights Alpha-Gal Syndrome as Underrecognized Tick-Borne Red Meat Allergy
Dr. Dean Mitchell, a board-certified immunologist at Mitchell Medical Group, is drawing attention to Alpha-Gal Syndrome (AGS), a tick-borne allergy to red meat that is frequently misdiagnosed. AGS is triggered by a tick bite, most commonly from the lone star tick, which introduces a carbohydrate molecule called alpha-gal into the bloodstream. This causes the immune system to produce IgE antibodies against alpha-gal. Subsequent consumption of red meat, which also contains alpha-gal, then triggers an allergic reaction. A key characteristic of AGS is the delayed onset of symptoms, typically two to three hours after eating red meat, often while the patient is asleep. This delay often leads to misdiagnosis as food poisoning, viral gastroenteritis, or irritable bowel syndrome. Symptoms can include hives, nausea, vomiting, diarrhea, abdominal pain, and in severe cases, anaphylaxis. Dr. Mitchell emphasizes that the condition is more geographically widespread than commonly believed, with cases appearing even in urb...
