Question: are flea baths effective for dogs?
Answer: Flea Baths for Pets A flea shampoo, or "flea bath," can be used on adult fleas for the pet that has large numbers of fleas visible on its body. ... Shampoos are only effective for a day or less and the fleas you see on your dog are only a small portion of the flea problem as immature fleas have already infested the home.