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Garlic for Fleas Gets Readers Riled

Q. You wrote that people should not give their dogs garlic to control fleas because it could cause anemia. I gave my dog fresh garlic for years. She had a horrible flea allergy and nothing else helped at all. Without the garlic she was miserable.

I kept telling my vet that the garlic was what was helping her, though he would never admit it. By the way, she lived to be 16 years old. You really shouldn’t knock the garlic.

A. Several other readers agree with you, including some veterinarians. One wrote: “I am a holistic veterinarian with 30 years experience. During that time none of my canine patients have had anemia from garlic. Onions, yes; garlic, no. I don’t want dog owners to worry unnecessarily.”

Onions can be toxic to dogs and cats because they contain n-propyl disulfide that can damage the membranes of red blood cells. Garlic also contains this compound, but it seems to pose less of a problem. Rely on your vet for advice.

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About the Author
Terry Graedon, PhD, is a medical anthropologist and co-host of The People’s Pharmacy radio show, co-author of The People’s Pharmacy syndicated newspaper columns and numerous books, and co-founder of The People’s Pharmacy website. Terry taught in the Duke University School of Nursing and was an adjunct assistant professor in the Department of Anthropology. She is a Fellow of the Society of Applied Anthropology. Terry is one of the country's leading authorities on the science behind folk remedies..
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