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How long does it take to clear fleas and ear mites from my new dog?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | unneutered | 25 lbs

I'll be getting my sisters 8 year old dog. He is severley infested with fleas and earmites. When i bring him into my home, which has no fleas or insects, roughly how long would it take for him to be clear of fleas? Also how long would it take to rid him of ear mites with the proper medical care?

1 Answer

Most Helpful Answer

Angel Alvarado, LVT

Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on October 13th, 2019

Ear mites are easy treated with products such as Simparica, Nexgard, Bravecto or Credelio. These are by prescription only and can be obtained from your veterinarian. Oftentimes, just one dose of any of the above can resolve ear mite infection.
The fleas may be more stubborn. You can give Chaos a dose of CapStar to rapidly kill any adult fleas on him. This medication can be given daily if necessary. Follow up with an oral or topical preventative. Treat monthly for at least 3 consecutive months, preferably year round. Consider "pre-treating" your home with an area treatment, such as Indorex or Knockout ES, to prevent infestation. Most fleas live in the environment and will hop on a dog (or you) only to take a meal.
Consider an exam with your veterinarian to diagnose and treat any infection or other underlying conditions.
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