Permethrin (Shampoo)
A pediculicide that kills lice and their eggs (nits) by disrupting their nervous system.
Dosage by Body Weight
Apply to damp hair after washing with regular shampoo (no conditioner). Leave for 10 minutes then rinse.
- Body Weight
- Any weight (Age >2 months)
- Dose
- Sufficient to saturate hair
- Frequency
- Single use; repeat in 7 days
- Tracking Notes
- Use a fine-tooth comb to remove dead lice and nits.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| Any weight (Age >2 months) | Sufficient to saturate hair | Single use; repeat in 7 days | Use a fine-tooth comb to remove dead lice and nits. |
Formulation
Purpose
Treatment of head lice (Pediculus humanus capitis).
Generic Name
PermethrinBranded Drug Names
Permethrin (Shampoo) is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:
Scheduled Drug
No. This medicine is generally not treated as a scheduled/prescription-only drug in common consumer references, but local rules may vary.
Alternatives
Safety Advice
Alcohol
SAFEPermethrin (Shampoo): No major direct interaction is expected with topical use, but avoid alcohol on irritated skin and limit alcohol if treatment causes dizziness or irritation.
Pregnancy
SAFE IF PRESCRIBEDPermethrin (Shampoo): Topical use is often considered lower risk, but use during pregnancy only as directed and avoid large areas unless prescribed.
Breast Feeding
SAFE IF PRESCRIBEDPermethrin (Shampoo): Usually compatible with breastfeeding when not applied to the nipple area or large broken skin surfaces. Wash hands after use.
Driving
SAFEPermethrin (Shampoo): Topical treatment usually does not affect driving. Avoid driving only if eye irritation, dizziness, or discomfort affects alertness.
Liver
SAFE IF PRESCRIBEDPermethrin (Shampoo): Topical use has minimal liver exposure when used as directed, but avoid excessive or prolonged use without advice.
Kidney
SAFE IF PRESCRIBEDPermethrin (Shampoo): Topical use has minimal kidney exposure when used as directed. Seek advice for large burns or extensive damaged skin.