2 links
DrugDigest: Permethrin
drugdigest.org
Information on dosage, usage, side effects, interactions, and drug comparisons, including generics when available. Sold under brand names such as: Acticin, Elimite, and Nix.
MedlinePlus: Permethrin
nlm.nih.gov
Features information about dosage, usage, warnings, and side effects.