Alpha gal syndrome3/20/2023 Seek emergency medical treatment if you develop signs or symptoms of anaphylaxis, such as: Don't rule out red meat as a possible cause of your reaction, especially if you live or spend time outdoors in the southeastern United States or in other parts of the world where alpha-gal syndrome is known to occur. See your primary care doctor or a doctor who specializes in the diagnosis and treatment of allergies (allergist) if you experience food allergy symptoms after eating - even several hours after eating. A possible connection between a T-bone steak with dinner and hives at midnight was far from obvious. A severe, potentially deadly allergic reaction that restricts breathing(anaphylaxis)ĭoctors think the time delay between eating red meat and developing an allergic reaction is one reason the condition was overlooked until recently.Stomach pain, diarrhea, nausea or vomiting.Swelling of the lips, face, tongue and throat, or other body parts.Hives, itching, or itchy, scaly skin (eczema).Signs and symptoms of alpha-gal syndrome may include: Red meat, such as beef, pork or lamb organ meats and products made from mammals, such as gelatins or dairy products, can cause a reaction. In alpha-gal syndrome, reactions usually appear about three to six hours after exposure. Most reactions to common food allergens - peanuts or shellfish, for example - happen within minutes of exposure. Signs and symptoms of an alpha-gal allergic reaction are often delayed compared with other food allergies. Do a thorough, full-body tick check after spending time outside. Protect against tick bites by wearing long pants and long-sleeved shirts and using insect repellents when you're in wooded, grassy areas. There's no treatment other than avoiding red meat and other products made from mammals.Īvoiding tick bites is the key to prevention. Researchers now believe that some people who have frequent, unexplained anaphylactic reactions - and who test negative for other food allergies - may be affected by alpha-gal syndrome. Alpha-gal syndrome also has been diagnosed in Europe, Australia and Asia, where other types of ticks carry alpha-gal molecules. The condition appears to be spreading farther north and west, however, as deer carry the Lone Star tick to new parts of the United States. The tick can also be found in the eastern and south central United States. The Lone Star tick is found predominantly in the southeastern United States, and most cases of alpha-gal syndrome occur in this region. In some people, this triggers an immune system reaction that later produces mild to severe allergic reactions to red meat, such as beef, pork or lamb, or other mammal products. The bite transmits a sugar molecule called alpha-gal into the person's body. In the United States, the condition is most often caused by a Lone Star tick bite. Alpha-gal syndrome is a recently identified type of food allergy to red meat and other products made from mammals.
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