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My dog has a rash on his belly. Could it be from the beach or groomer?

Updated On September 23rd, 2025

I just noticed my black lab has this skin rash on his belly/underside. He is on trifexus. We took him to the beach on sunday and then the groomers on monday. He doesn't scratch or lick it. What could it be?

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Answered By Laura Johnson VMD

Veterinarian

Published on July 22nd, 2017

HI, thanks for using Petcoach! It looks like your lab has a skin infection (pyoderma) either caused by a yeast or bacterial infection. It could be a reaction to something in the environment at the beach or to a shampoo or deodorizer from the groomer. Sometimes the Vet needs to get involved to provide antibiotics, but you can try a medicated shampoo. Bathe him 2-3 times per week and let the lather sit on the affected areas 10 mins before rinsing. If no improvement or it gets worse bring him to your Vet. Here is a good shampoo: https://www.amazon.com/Dechra-TrizChlor-4-Shampoo-8-Ounce/dp/B00K4X8TF6/ref=sr_1_3?ie=UTF8&qid=1500736921&sr=8-3&keywords=4+chlorhexidine+shampoo+for+dogs

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