Drug reference
Permethrin
Antiparasitic · Antiparasitic, Scabicide
AntiparasiticAntiparasitic, Scabicide
CDSCO approved
EXCRETION
—
not curated
INTERACTIONS
—
none in our sources
PREGNANCY
—
not curated
Mechanism
Permethrin acts as a pyrethroid insecticide and acaricide. For scabies, it penetrates the skin crusts to kill mites.
Indications
Treatment of scabies (Sarcoptes scabiei)scabieslice
Dosing
- Adult
- For scabies, apply 30-60g topically to the whole body, including the scalp, neck, face, ears, webs of fingers and toes, and under nails. Apply twice, one week apart. Reapply to hands if they are washed. For hyperkeratotic scabies, 2 or 3 applications on consecutive days may be required.
Side effects
Common
mild and transient burningitchingtinglingerythemarash
Drug interactions
3 additional unreviewed or low-confidence interactions hidden because their provenance or source detail is insufficient.
Other Antiparasitic drugs
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Textbook-sourced·Sources: KD Tripathi 7e, Katzung, BNF, Nelson·Updated: 2026-05-10