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How soon after taking Permethrin will my symptoms improve?

If you are taking Permethrin for head lice, you may feel relief soon after your shampoo. However, because the mites might still be in the scalp, itching may continue for up to one week. If you are taking Permethrin for scabies, it may take as long as two to four weeks before you feel relief from the intense itching. This is probably because, even though the insects and the eggs are dead, your body still has an allergic reaction to them.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.