Lone Star Tick

A new, potentially severe allergic reaction to red meat is being detected in people bitten by the Lone Star Tick. Delayed anaphylaxis–a severe, life-threatening allergic reaction– to meat is a new syndrome identified initially in the southeastern United States. Patients may wake up in the middle of the night with hives or anaphylaxis usually three to six hours after having eaten red meat for dinner. Until recently, the link between red meat ingestion and anaphylaxis had remained elusive. But now ,researchers Susan Wolver and Diane Sun have discovered a compound found in mammalian tissues that causes dilatation of capillaries that is released during allergic reactions.
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