How can a tick bite cause a deadly meat allergy? An expert explains
Medical Xpress
February 26, 2026
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An Australian teenager, Carmel Forbes Jeremy Webb, became the nation's first recorded fatality from a tick-induced meat allergy after consuming beef sausages during a camping trip. The teen experienced anaphylactic shock, which led to an asthma attack and ultimately caused his death in 2022. This rare condition, known as alpha-gal syndrome, is triggered by a bite from the Lone Star Tick (Amblyomma americanum), which can cause the immune system to develop antibodies against a sugar molecule found in red meat.
Alpha-gal syndrome occurs when the body mistakenly reacts to galactose-alpha-1-3-fucosyltransferase, a enzyme present in red meat and other animal products. This reaction can lead to severe allergic symptoms, including difficulty breathing, hives, and anaphylaxis. The syndrome is most commonly associated with tick bites in regions where the Lone Star Tick is prevalent, such as parts of the southeastern United States. However, cases have been reported in other areas, including Australia, where Webb was bitten by a tick before developing the allergy.
This tragic case highlights the importance of understanding and recognizing the risks associated with tick bites. While alpha-gal syndrome is rare, it underscores the potential dangers of tick-borne illnesses and their ability to trigger unexpected and severe allergic reactions. Health experts advise individuals who have been bitten by ticks to monitor for unusual symptoms, such as skin rashes or gastrointestinal issues, which may indicate an allergic response.
For readers interested in health, this story serves as a cautionary tale about the importance of tick prevention and awareness. Tick bites can lead to a variety of serious health complications, including allergies that were previously
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Originally published on Medical Xpress on 2/26/2026