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More Adverse Reactions to Anti-Flea Drugs

More Adverse Reactions to Anti-Flea Drugs

-- Lt. Michael J. Collins, Perry Village Police Department, Perry, OhioDEAR Lt. : Your account is very concerning, since it raises the issue of these anti-flea drugs affecting the performance and reliability of working dogs in the police, security, military and search-and-rescue fields. Zeke is a breed of dog highly susceptible to adverse reactions to Simparica and similar anti-parasite drugs. This gene undergoes one or more mutations that allow a higher absorption of drugs and toxic substances to enter the central nervous system, which then can breach the blood-brain barrier and create adverse reactions. I encountered this kind of blind spot several years ago when I raised concerns about adverse reactions to vaccinations and the evident problem of over-vaccinating dogs, in particular.

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