How much Fenbendazole should a human take?

Fenbendazole seems to be well tolerated in humans after oral exposure (single oral dose up to 2,000 mg/per person; 500 mg/per person for 10 consecutive days); however observations in humans are limited. Fenbendazole is of low acute toxicity after oral exposure.

How fast does safeguard Dewormer work?

Around 2 to 6 hours. After orally administering the Safeguard Canine Dewormer (anthelmintic) powder pouch, treatment can start to work rapidly by killing the dog’s intestinal parasitic worms from around two to six hours.