Alpha-gal Syndrome

Paul G. Auwaerter, M.D.

PATHOGENS

While not a pathogen, alpha-gal syndrome represents the development of a food allergy to a sugar moiety (alpha-gal, technically galactose-α-1,3-galactose ) present in mammalian meat, usually red meats (e.g., pork, beef, lamb, goat, venison).
- Associated with tick bites.
  - Amblyomma americanum (the Lone Star Tick) is most common in the U.S.
  - Other ticks may also be implicated, including Ixodes ricinus in Sweden.

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