Should an indoor only cat be treated for fleas? Does Vitamin B prevent fleas?


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Our question this week was:

Dr. Debra - Do you recommend treating strictly indoor cats for fleas and ticks? I have heard that a little vitamin B sprinkled on the cat's food will prevent fleas. Is this true.

Sister Jo Ann Knight


Hi – thanks for your email. You wrote asking if indoor only cats need to be treated for fleas and ticks. Also – you want to know if Vitamin B helps with fleas.

Indoor only cats have a risk of fleas but much less than outdoor cats. I have an indoor cat in my practice that got fleas – not sure how. Flea eggs are sticky and they may have stuck on the owner's shoes and they bought them in. Soon, one flea egg can hatch and that flea can produce thousands of fleas in a short time. So...for indoor cats – it is up to the owner. I think there is benefit in treating indoor cats for fleas to prevent them.

As far as ticks – I don't think that it is necessary to treat indoor-only cats for ticks.

Vitamin B – I personally don't think it works to prevent fleas.

An article that might be helpful to you is Flea Control and Prevention in Cats.

Best of luck!

Dr. Debra

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About The Author

debra-primovic Dr. Debra Primovic

Debra A. Primovic, BSN, DVM, Editor-in-Chief, is a graduate of the Ohio State University School of Nursing and the OSU College of Veterinary Medicine. Following her veterinary medical training, Dr. Primovic practiced in general small animal practices as well as veterinary emergency practices. She was staff veterinarian at the Animal Emergency Clinic of St. Louis, Missouri, one of the busiest emergency/critical care practices in the United States as well as MedVet Columbus, winner of the AAHA Hospital of the year in 2014. She also spends time in general practice at the Granville Veterinary Clinic. Dr. Primovic divides her time among veterinary emergency and general practice, editing, writing, and updating articles for, and editing and indexing for veterinary publications. She loves both dogs and cats but has had extraordinary cats in her life, all of which have died over the past couple years. Special cats in her life were Kali, Sammy, Pepper and Beanie.