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Why is my dog's belly red and itchy after swimming in a lake?

Updated On September 23rd, 2025

Pet's info: Dog | German Shepherd | Male | 7 months and 20 days old

Hi, my dog has all his belly red and it’s too itchy for him. We went last week to a lake and he swim there and everything happened after de lake. What should I do ?

1 Answer

Most Helpful Answer

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Answered By Penelope Graben, DVM

Veterinarian

Published on July 29th, 2020

Hello, Sorry to hear that Rex's belly is so itchy. He may have a skin infection, such as one from bacteria or yeast. I'd recommend taking him into his veterinarian to be examined. They may want to look at a skin sample under the microscope depending on his exam. Many dogs with sensitive skin require a medicated bath and ear rinses after swims, your vet will likely have some good recommendations for preventing this in the future. I hope this helps! Thanks for using Petco Pet Education Center, formerly Petcoach!

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