About pyrethrin m
Topical insecticide (pyrethrin)
Used for
- Treats head lice and their eggs.
Usual adult dose
Apply enough to coat dry hair and scalp; leave for about 10 minutes, then wash out. Repeat after 7–10 days if needed.
Usual dose in children
Used in children aged 2 years and older; apply as directed for adults. Safety and directions vary by product.
Common side effects
- Scalp irritation or itching
- Eye irritation if sprayed into eyes
- Rare allergic reaction
Important warnings
- For external use only; avoid eyes, nose, and mouth.
- Do not inhale spray; use in a well-ventilated area.
- Avoid use with known allergy to pyrethrins or ragweed-related plants.
- Follow the product label; formulations and age limits may differ.
Pregnancy
Human safety data are limited; use only when clearly needed and according to the label.
Breastfeeding
Data are limited; avoid spraying near the breast and prevent infant contact with treated hair until washed.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.