A member asked:

How long does it take for permethrin take to start working?

2 doctors weighed in across 2 answers

One application: It used overnight and works within 8 hours. Itching can persist for days as the mites die off and may need to be treated with a prescription steroid cream.

Answered 11/16/2020

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Permethrin: Permethrin cream will kill the mites and their eggs within 8 to 14 hours. Permethrin cream rinse and lotion will kill lice and their eggs within 10 minutes.

Answered 10/24/2016

4.9k views

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