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Doctor insights on: What Are The Differences Between Pyrethrin And Permethrin

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What are the differences between pyrethrin and permethrin?

What are the differences between pyrethrin and permethrin?

Lice and Scabies: Pyrethrin is used to treat lice, which are tiny insects that can infest and irritate the scalp (head lice), the pubic area (crabs), or the body. This medication works by paralyzing and killing lice. Permethrin is used to treat scabies ('mites that attach themselves to the skin) in adults and children 2 months of age and older. ...Read more

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Dr. Noah Scheinfeld
165 doctors shared insights

Permethrin (Definition)

Permethrin is a topical anti-parasite agent which is a ...Read more


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What is the typical dosage of permethrin?

What is the typical dosage of permethrin?

1 oz: Apply to entire body from neck down and leave on overnight. Repeat in one week if necessary. Strip sheets and pillow case in morning and wash linens in hot water to kill mites. Also treat everyone else in house even they are symptomatic. Always check if dog or cat is source. ...Read more

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How effective is nix (permethrin)?

How effective is nix (permethrin)?

Not always: Some sarcoptes scabiei (mite causing scabies) became resistant to nix (permethrin) and requires lindane treatment. ...Read more

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Is permethrin safe for a 6 year old?

Permethrin : Depends on what and how so check the label for indicated use and age. ...Read more

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Can i buy permethrin over the counter?

Yes: Yes. For example, rid is available in the U.S. Without a prescription. ...Read more

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Permethrin cream, how often do I apply?

Permethrin cream, how often do I apply?

Permethrin: Permethrin cream should stay on at least 8 hours with each application. Usually, it's applied once, then the process is repeated in 1 week. ...Read more

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Permethrin cream how often should I apply?

Once: In most cases you just apply it once. Itching may continue for a while, but it's not due to living mites. ...Read more

Dr. Scott Keith
105 doctors shared insights

Elimite (Definition)

Elimite is a topical anti-parasite agent which is a ...Read more


Dr. Darrin Cunningham
95 doctors shared insights

Acticin (Definition)

Acticin is a topical anti-parasite agent which is a ...Read more