My dog has a red, scaly belly rash. Is it an allergy or infection?

Question

I recently posted on here asking about some markings on Moose's belly (Please read my last question for more info) Now the markings are red and scaly/scabbing. He's still completely unbothered by it and acting perfectly normal. I've done some research and I think it may be an allergic reaction? Some new leaves/bushes have been growing in our yard and that's become his new favorite spot to pee. We've removed the plants but what can I do to make the rash go away? Or is this something more serious? Pet's info: Dog | Mixed Breed Small (up to 22lb) | Male | unneutered | 9 years and 5 months old | 18 lbs

Lauren Kennedy, DVM · Accepted Answer

It looks as if your dog has a skin infection, most commonly caused by an allergy, a skin mite (Demodex) or fleas.   The allergy could be a due to a protein in your dog’s food or an environmental allergy like to dust, pollens, grasses, etc.   The allergy causes your dog to itch and chew at the skin which breaks down the skin barrier. This then leads to infection. Skin infections are typically characterized by large areas of hair loss, redness, crusting, flaking, and pustules. A thorough skin examination by your veterinarian should be able to determine the cause of the itch so it can be treated appropriately. Your dog will most likely need antibiotics to help clear up the infection and possibly an allergy/anti-itch medication like Apoquel, Atopica, or Cytopoint to give some relief while the infection clears up. A medicated shampoo may be beneficial as well. I would also recommend he be on a good flea control routinely too. Once the infection has resolved a long term allergy medication (like Apoquel or Cytopoint) can be given on a regular basis to prevent any future problems. I hope this helps. Thanks for using Petco Pet Education Center, formerly Petcoach. Best of luck.

My dog has a red, scaly belly rash. Is it an allergy or infection?

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