My dog has recurring scaly, itchy skin patches. What's going on?

It's probably not mange. It looks like chronic skin allergies (could be from food or the environment or atopy) with secondary bacterial and yeast infections. The thickening and darkening of the skin tells me that this isn't going to be a simple case to fix. As far as I am aware, specialists are still open in the US, but with some modifications. Most often they have a decreased appointment load and you will be asked to wait in the car. I would recommend that you make an appointment with the specialist, since this is a case that will not resolve with short courses of antibiotics and cytopoint injections.

The spot on the cheek looks like a "hot spot". The rest looks like a flea allergy. Mange is not impossible in a dog her age but really unlikely unless she is immunocompromised. The hot spot on the cheek is basically a bacterial skin infection. She probably compromised the skin in that area due to scratching at the ears if she has an ear infection. You really need to get her to a vet to get everything she has going on under control. She needs an anti-inflammatory injection to the get the scratching under control, she needs to have oral antibiotics to clear up the hot spot, if there is an ear infection that needs to be treated and of course, the fleas need to get under control with a GOOD flea medication that she stays on continuously. A flea bath is very temporary and is not going to fix the problem. An ear infection will not clear up with over the counter ear cleaners - she needs an actual medication to clear it up. Please get her to your vet as soon as you can. Some things cannot be fixed with home treatment once they become too advanced. Best wishes.

If the skin lesions became worse on prednisone one has to seriously consider that these lesions may be caused by mange mites. Your vet would need to take a skin scraping and hope to find a mite in the scraping (this is not easy). Mange mites do emit a sort of sweetish odor, so this would be another giveaway. Of course this could also be caused by a fungus or bacterial infection, however the lesions should have improved with the antibiotics given. You will need to take Buster back to your veterinarian for a recheck.

Thanks for using Petco Pet Education Center, formerly Petcoach! This is possibly due to allergies. It really comes down to figuring out what is causing her allergies so that they can be treated or the specific allergen avoided. A secondary infection is likely and also needs to be addressed. The cefpodoxime should help with the bacterial infection component and the prednisone should help with the itch component. There are many things that can cause allergies though in most cases they can be broken down into 3 big categories: flea, food and environmental allergies. Allergies are usually worked up in a stepwise fashion starting with flea allergies as this is the easiest and cheapest to take care of. If not on a flea preventative, then it would be a good idea to get started on one. If already on one then it would be a good idea to change to something else (there are many new products out in the market). If not improved in 1-3 months then it is time to move on and check for food allergies by switching to a novel diet (new protein and new carbohydrate). If that does not seem to be the issue then you are left out having to check for environmental allergies which require blood and/or skin tests. Allergies can be very frustrating to deal with at first but so rewarding at the end when we are able to treat them effectively!

Thanks for using Petco Pet Education Center, formerly Petcoach! Even though mange cannot be ruled out, this pattern would be more consistent with allergies. It really comes down to figuring out what is causing his allergies so that they can be treated or the specific allergen avoided. A secondary infection is likely and also needs to be addressed. There are many things that can cause allergies though in most cases they can be broken down into 3 big categories: flea, food and environmental allergies. Allergies are usually worked up in a stepwise fashion starting with flea allergies as this is the easiest and cheapest to take care of. If not on a flea preventative, then it would be a good idea to get started on one. If already on one then it would be a good idea to change to something else (there are many new products out in the market). If not improved in 1-3 months then it is time to move on and check for food allergies by switching to a novel diet (new protein and new carbohydrate). If that does not seem to be the issue then you are left out having to check for environmental allergies which require blood and/or skin tests. Allergies can be very frustrating to deal with at first but so rewarding at the end when we are able to treat them effectively!

Thanks for using Petco Pet Education Center, formerly Petcoach! I agree with you that this could be something like mange. Generally this is easily diagnosed with a physical examination and basic cytology. I recommend that you have Bertha evaluated by your veterinarian for further assessment and treatment. They can start therapy for her if this is confirmed. They can also give her something to improve her comfort and relief some of that itchiness. The only way to relief her symptoms is by treating her infection. Good luck and have a good night! I hope she gets better soon!

You are absolutely correct that mange or allergies are possible. The doctor may recommend a diagnostic called a skin scrape to check for mites. For now just protect the area from any itching. It doesn’t look really inflamed so I’m not sure there’s much you can do at this point. As a general recommendation, starting Lexi on an omega 3 fatty acid for dogs can help improve skin health and it certainly won’t hurt anything. I hope this is helpful and please feel free to post any additional questions.