Comfortis is a chewable, beef-flavored tablet that kills fleas and prevents flea infestations on dogs for a full month.. Comfortis starts to kill fleas in 30 minutes and is 100% effective within 4 hours. It's ideal for rapid flea relieve that lasts.
Here are just a few of the features that make Comfortis an ideal choice for convenient, family-friendly flea protection:
- No need to isolate. With Comfortis, you can play with your dog immediately after treatment. No need to isolate from other household pets or children. Just treat and play.
- No staining residue or messy applications. Unlike some other flea treatments, Comfortis won't stain carpeting, upholstery or clothing.
- No bath-time worries. Comfortis can't be washed, rubbed or shaken off while bathing, grooming or swimming.
The active ingredient in Comfortis is Spinosad