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which is more potent permethrin or pyrethrin

A 25-year-old member asked:
Dr. Christopher Crosby
15 years experience Dermatology
See Below: Both are insecticides. Pyrethrins are naturally occurring compounds derived from the chrysanthemum plant. Permethrin is a more potent synthetic versio ... Read More
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3 thanks
Dr. Michael Fisher
31 years experience Dermatology
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 ... Read More

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A 48-year-old member asked:
Dr. Ed Friedlander
43 years experience Pathology
Permethrin: A topical treatment for scabies, a very itchy illness in which a mite burrows through dead skin on the surface of the body.
A 40-year-old member asked:
Dr. Barry Resnik
30 years experience Dermatology
Tough to overdose: Using Permethrin as directed makes it difficult to overdose with this cream. Using anything indiscriminately is certainly not good practice.
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2 thanks
Dr. Joseph Bark
48 years experience Dermatology
Topical?: I am not familiar with this ever happening.
A 37-year-old member asked:
Dr. Jeffrey Ellis
18 years experience Dermatology
Best to ask your doc: You can find information about Permethrin safety here: http://www.Rxlist.Com/elimite-drug.Htm.
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1 thank
A 32-year-old member asked:
Dr. Jay Park
Dr. Jay Park answered
49 years experience Pediatrics
Not always: Some sarcoptes scabiei (mite causing scabies) became resistant to nix (permethrin) and requires lindane treatment.
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A 35-year-old male asked:
Dr. Julan Crane
24 years experience Pediatrics
Permethrin : Depends on what and how so check the label for indicated use and age.
A 35-year-old male asked:
Dr. David Voron
50 years experience Dermatology
Yes: Yes. For example, rid is available in the U.S. Without a prescription.
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1 thank
A 45-year-old member asked:
Dr. Peterson Pierre
23 years experience Dermatology
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.
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A 40-year-old member asked:
Dr. Morris Westfried
45 years experience Dermatology
Scabies: It is used for the treatment of scabies an infection cause by mites which can be very itchy especially at night.
A 33-year-old member asked:
Dr. Joel Gallant
35 years experience Infectious Disease
Once: In most cases you just apply it once. Itching may continue for a while, but it's not due to living mites.

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