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Puppy has mange symptoms: hair loss, eye issues. Is it serious? OTC help?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Male | 38 lbs

I think my puppy has demodectic mange. He's about 4 months old. Around his eye is usually wet. He has lost hair around one of his eyes and some on the top of his head. His eye is getting kind of swollen and looks like it's getting red. I feel so bad for him but I was just laid off and can't get him to a vet. Will this go away on its own? Is there something I can get at Tractor Supply? Is this the same mange that kills dogs?

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4 Answers

Most Helpful Answer

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Answered By Vanessa Yeager DVM MPH

Veterinarian

Published on September 28th, 2017

Hi and thanks for your post. Demodex mite infection can be occur in younger dogs and may spontaneously resolve as their immune system becomes more mature. Demodex mange is not typically itchy but sarcoptic mange is. The area of hair loss around the eye in the picture does look suspicious of demodex mange but you will want to get this confirmed with your veterinarian first. A skin test in needed to accurately diagnosis demodex manage in dogs. If it is demodex, unfortunately, there is nothing over the counter at tractor supply you can purchase for this. You veterinarian may give you a prescription medication for the mange if necessary. Either types of manage (demodex or sarcoptic) typically is not fatal unless there is a more serious underlying condition at play. Both types are treatable.

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    Answered By David Elbeze, DVM, MRCVS

    Veterinarian

    Published on April 2nd, 2018

    It could be allergies but it could also be demodic mange (skin mites), i would recommend having it checked by your vet, these mites can easily be seen under the microscope and treatment is also very straight forward and simple.

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    Answered By Jessica Keay, DVM

    Veterinarian

    Published on June 11th, 2017

    I am sorry to hear about Chubby's problem. One of the possible causes for this condition would include skin mites or mange, in particular with the hair loss around the eyes we would be concerned about demodex mites. A visit to the vet is needed to do a skin scrape to check for the mites. They can also check for a bacterial or fungal infection. Depending on their findings, the veterinarian will prescribe treatment. The traditional treatment for mange is a drug called ivermectin or a dip called amitraz. There are newer drugs, however, marketed as flea and tick preventatives that are easier to administer that are now being tried for demodex mites. These include Nexgaurd and Bravecto. You may ask your vet if these are available in your area. More detailed information on demodex can be found at http://www.veterinarypartner.com/Content.plx?P=A&S=0&C=0&A=630, but remember, without an exam we cannot confirm that demodex is the problem.

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    Answered By Daniel Fonza, DVM

    Veterinarian

    Published on November 7th, 2017

    Hi there and thank you for using Pet Coach to address your concern. I would recommend having this looked at by a veterinarian to have more testing done. More specifically, I would recommend having a skin scraping of this area to rule out demodex skin mites as a cause of the hair loss, especially in such a young puppy. If confirmed, Demodex is quite easily treated using multiple different medications. If it is not Demodex, it may be a bacterial skin infection or allergies. Either way, I would recommend having further testing done to help determine what the cause is and what the most recommended treatment should be. I hope this helps! Please let me know if you have any further questions or concerns. I am also available via consultation if needed.

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