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Pet store flea medicine is not working. | Ask A Vet
 

 


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Does pet store flea medicine work?

Species: Dog
Breed: Mutt
Age: 2-5 years
My dog just got fleas. I've given her multiple flea baths, flea collar, and flea medicine goes behind her neck. She has been itching like crazy. I've only found a few fleas on her. Today I noticed her acting odd. She doesn't want to walk. She keeps wanting to sit on her bottom. She hasn't had a BM today. It's as If she's scares to go. Her butt feels like there's a knot inside. Jer behavior is different. What should I do?

Related Article: Your Pet Has Fleas!


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Online vet, Dr. Marie

Dr. Marie replied:

Fleas are so frustrating!

I get really frustrated at pet store products for fleas. The products you buy in the pet store do not work well. Flea baths and collars are almost useless. The topical medications like Zodiac and Biospot are different than the prescription products work much better.

Products that do work well to kill fleas include:
  • Frontline

  • Advantage

  • Revolution


  • What you are describing with her constantly wanting to sit on her bottom may be related to a flea allergy. Often dogs with an allergy to fleas will have severely red itchy spots either on the top of their tails or underneath the tail. These usually need to be treated with medication prescribed by the vet.

    Another reason for dogs to sit suddenly on their bum is if her anal glands are full. These glands sit on either side of the anus and when they are full they are uncomfortable. While you can possibly empty them yourselves it is best to have a vet do it, especially for the first time.

    However, I would be worried that this is all related to fleas.

    It sounds like a vet visit is the best idea.

    Dr. Marie.

    ---This question was asked in our Ask A Vet For Free section.---



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    Disclaimer: Although Dr. Marie is a qualified veterinarian, the information found on this site is not meant to replace the advice of your own veterinarian. AskAVetQuestion.com and Dr. Marie do not accept any responsibility for any loss, damage, injury, death, or disease which may arise from reliance on information contained on this site. Do not use information found on this site for diagnosing or treating your pet. Anything you read here is for information only.

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Dr. MarieDr. Marie is a veterinarian who practices in a busy animal hospital in Ottawa, Ontario. She created Ask A Vet Question as a resource for good, accurate veterinary advice online. Dr. Marie treats dogs, cats, hamsters, guinea pigs, and rats. She has been a vet since 1999.

Is an online vet visit just as good as a trip to your veterinarian? No! But, many times, asking an online veterinarian a question can help save you money. While Dr. Marie can't officially diagnose your pet or prescribe medications, she can often advise you on whether a vet visit is necessary. You can also ask Dr. Marie for a second opinion on your pet's condition.