Pennyroyal for Fleas
Fleas on your pets
1) put 3 drops of pennyroyal on a nylon collar. This idea may be too strong for some cats. Pennyroyal should not be put directly on cats. Reports indicate that this technique works well even during heavy outbreaks.
2) There’s a new spinosad pill for pets that appears to be quite effective. It is called Comfortis