Jun 24 2008
COMFORTIS® and ivermectin interaction
Safety Warning Notification
COMFORTIS® and ivermectin interaction
The Food and Drug Administration Center for Veterinary Medicine and Elanco Animal Health are advising veterinarians that dogs receiving extra-label doses of ivermectin should not receive concurrent treatment with Comfortis® (spinosad) flea preventive and treatment.
For more information, go to this page:www.fda.gov/cvm/CVM_Updates/ComfortisSafety.htm
Ivermectin is sometimes used in the treatment of demodicosis (generalized demodectic mange), and as a wormer or heartworm preventive. Please speak to your vet with any concerns you may have about your own dog and the use of multiple medications.
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