If your dog is still nursing, use a special treatment for nursing dogs, like Revolution. Older puppies - eight weeks or older - can also be treated with a flea product like normal. For puppies under six weeks of age, bathe them in warm water. ... Dispose of the fleas by dropping them into a cup of boiling water.

Can I flea treat my nursing dog?

FRONTLINE® Spot On is licensed for use in pregnant and lactating cats and dogs. FRONTLINE Plus® is licensed for use in pregnant cats and dogs, and lactating dogs.

What flea prevention is safe for nursing dogs?

Capstar is safe for pregnant or lactating dogs, as well as puppies more than four weeks old. For more information on Capstar tablets, click here. Best Flea Treatment for Dogs #2 - Vet's Best Flea and Tick Home Spray contains no harsh chemicals and instead uses 100% certified natural oils.