Nitenpyram (Capguard, Capstar, PetArmor FastCaps) is an oral neonicotinoid insecticide medicine for treatment of adult fleas in dogs and cats. It only treats the adult stage of fleas. It does not ...

“Capstar is great and starts killing fleas within ... Nelson suggests using Hartz UltraGuard Rid Worm Dewormer for Roundworms for Cats. If your unfortunate kitty is suffering from both fleas ...