Permethrin is an over-the-counter medicine (Pyrethroid). The sections below reproduce one FDA label for it, named under "Label". Products in other forms, strengths or from other makers have their own labels, which can differ.
- Type
- Over the counter (OTC)
- Drug class
- Pyrethroid
- Taken
- Topical
- Label
- Insight Pharmaceuticals LLC, revised October 23, 2025 · full label on DailyMed
Purpose
Lice treatment
What it is used for
treats head lice
Active ingredient
Active i ngredient (in each fluid ounce) Permethrin 280 mg (1%)
Do not use
on children under 2 months of age near the eyes inside the nose, ear, mouth, or vagina on lice in eyebrows or eyelashes. See your doctor.
Ask a doctor before use if you have
if you are allergic to ragweed. May cause breathing difficulty or an asthmatic episode.
When using this product
keep eyes tightly closed and protect eyes with a washcloth or towel if product gets into the eyes, immediately flush with large amounts of water scalp itching or redness may occur
Stop use and ask a doctor if
Stop use and see a doctor if breathing difficulty occurs eye irritation occurs skin or scalp irritation continues or infection occurs
Warnings
For external use only Do not use on children under 2 months of age near the eyes inside the nose, ear, mouth, or vagina on lice in eyebrows or eyelashes. See your doctor. Ask a doctor before use if you are allergic to ragweed. May cause breathing difficulty or an asthmatic episode. When using this product keep eyes tightly closed and protect eyes with a washcloth or towel if product gets into the eyes, immediately flush with large amounts of water scalp itching or redness may occur Stop use and see a doctor if breathing difficulty occurs eye irritation occurs skin or scalp irritation continues or infection occurs If pregnant or bre ast-feeding, ask a health professional before use. Keep out of reach of children. If swallowed, get medical help or contact a Poison Control Center (1-800-222-1222) right away.
Pregnancy or breastfeeding
If pregnant or bre ast-feeding, ask a health professional before use.
Keep out of reach of children
. If swallowed, get medical help or contact a Poison Control Center (1-800-222-1222) right away.
Dosage:
we do not reproduce dosing instructions. The right dose depends on the person and the condition and is set by the prescriber or pharmacist. Dosage section of the full label.
Permethrin in the news
We have not covered this medicine yet. Latest news
Recalls
No recalls matched to this medicine in FDA enforcement reports from the last 3 years (or older ones still open). Search all recalls
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Source: FDA structured product labeling, retrieved through openFDA. Label text is shown as published by the FDA, without editing; long sections are shortened, marked […]. openFDA data are not validated for clinical use — always check the current label and ask a doctor or pharmacist about your own treatment. Set ID d6dfa64a-bb88-4438-b4e2-30c6fbb28f3e.