Why does my dog smell even after a bath?

Shampoo works on what sits in the coat: dirt, sand, whatever your dog rolled in on the tide line. It cannot reach a mouth full of tartar, an inflamed ear canal, oily skin or full anal sacs, and each of those makes its own smell that returns within hours of the rinse. VCA's coat-care guidance sets the healthy baseline plainly: a healthy animal does not shed excessively and has a shiny coat free from dandruff or greasiness. A dog that smells soon after a good bath is outside that baseline somewhere.

The other possibility is the bath itself. A coat that was washed well but dried badly, especially a thick undercoat left to air-dry, can smell of wet dog for a day or more. That one is easy to fix. The rest call for a short, systematic sniff from nose to tail, which tells you whether the next booking should be a groom, a dental check or a vet appointment, and saves you paying for baths that cannot solve the problem.

Dental disease is the likely culprit when the smell is on your dog's face and on your hand after a pat. VCA describes it as one of the most common medical conditions veterinarians see, says more than 80 percent of dogs over the age of three have active dental disease, and notes that bad breath is common. Its advice is that daily brushing is the best way to prevent tartar, and that real dentistry needs a full general anesthetic; scraping tartar off an awake dog is cosmetic and treats nothing.

Ears come next. VCA notes that breeds with large, floppy or hairy ears are more prone to infection, that infected ears often turn red and inflamed and develop a bad odor, and that a black or yellowish discharge is common. On Cape Ann, floppy-eared swimmers in the off-season surf at Good Harbor and Wingaersheek, and splash-pool regulars in summer, keep their ears damp for longer. A smelly ear needs a diagnosis before any cleaning, so book your vet before your groomer.