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Continued: Bad bite: Doctors see surge of sudden meat allergies caused by ticks that are spreading in US

  • Article by: MARILYNN MARCHIONE , Associated Press
  • Last update: August 7, 2014 - 12:57 PM

"It seemed something geographical. We thought at first it might be a squirrel parasite," Commins said. "It took us a while to sort of put everything together" and finger the tick, he said.

Dr. Erin McGintee, an allergy specialist on eastern Long Island, an area with many ticks, has seen nearly 200 cases over the last three years. At least 30 involved children, and the youngest was 4 or 5. She is keeping a database to study the illness with other researchers.

"It is bizarre," she said. "It goes against almost anything I've ever learned as an allergist," because the symptoms can occur as long as eight hours after eating meat, rather than immediately, and the culprit is a sugar — a type of carbohydrate — whereas most food allergies are caused by proteins, she said.

Allergic reactions can be treated with antihistamines to ease itching, and more severe ones with epinephrine. Some people with the allergy now carry epinephrine shots in case they are stricken again. 

Doctors don't know if the allergy is permanent. Some patients show signs of declining antibodies over time, although those with severe reactions are understandably reluctant to risk eating meat again. Even poultry products such as turkey sausage sometimes contain meat byproducts and can trigger the allergy.

"We don't really know yet how durable this will be" or whether it's lifelong, like a shellfish allergy, Valet said.

The meat allergy "does not seem to be lifelong, but the caveat is, additional tick bites bring it back," Commins said.

Michael Abley, who is 74 and lives in Surry, Virginia, near Williamsburg, comes from a family of cattle ranchers and grew up eating meat. He developed the meat allergy more than a decade ago, although it was only tied to the tick in more recent years.

"Normally I can eat a little bit of dairy," he said, but some ice cream landed him in an emergency room about a month ago. He admitted having had recent bug bites.

"I'm surrounded by ticks here," he said.

___

Online:

Where ticks live: http://www.cdc.gov/ticks/maps/lone_star_tick.html

Tick info and advice: http://tinyurl.com/md7y78g

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