Piperonyl Butoxide, Pyrethrum
FDA Drug Information • Also known as: Vanalice
- Brand Names
- Vanalice
- Route
- TOPICAL
- Dosage Form
- GEL
- Product Type
- HUMAN OTC DRUG
What Is Piperonyl Butoxide, Pyrethrum Used For?
Uses treats head, pubic (crab), and body lice
Dosage and Administration
Directions Important: Read warnings before use Adults and children 2 years and over: Inspect check each household member with a magnifying glass in bright light for lice/nits (eggs) look for tiny nits near scalp, beginning at back of neck and behind ears examine small sections of hair at a time unlike dandruff which moves when touched, nits stick to the hair if either lice or nits are found, treat with this product Treat apply thoroughly to DRY HAIR or other affected area. For head lice, first apply behind ears and to back of neck. allow product to remain for 10 minutes, but no longer wash area thoroughly with warm water and soap or shampoo for head lice, towel dry hair and comb out tangles Remove lice and their eggs (nits) use a fine-tooth or special lice/nit comb. Remove any remaining nits by hand (using a throw-away glove). hair should remain slightly damp while removing nits if hair dries during combing, dampen slightly with water for head lice, part hair into sections. Do one section at a time starting on top of the head. Longer hair may take 1 to 2 hours. lift a 1-to 2-inch wide strand of hair. Place comb as close to scalp as possible and comb with a firm, even motion away from scalp. pin back each strand of hair after combing clean comb often. Wipe nits away with tissue and discard in a plastic bag. Seal bag and discard to prevent lice from coming back. after combing, thoroughly recheck for lice/nits. Repeat combing if necessary. check daily for any lice/nits that you missed a second treatment must be done in 7 to 10 days to kill any newly hatched lice if infestation continues, see a doctor for other treatments Children under 2 years: ask a doctor
Warnings and Precautions
For external use only near eyes inside nose, mouth, or vagina on lice in eyebrows or eyelashes. See a doctor if lice are present in these areas. if you have ever had an allergic reaction to this product or any of its ingredients allergic to ragweed. May cause breathing difficulty or an asthmatic attack. keep eyes tightly closed and protect eyes with a washcloth or towel if product gets into eyes, flush with water right away scalp itching or redness may occur breathing difficulty occurs eye irritation occurs skin or scalp irritation continues or infection occurs If swallowed, get medical help or contact a Poison Control Center right away.
About This Information
This drug information is sourced from FDA-approved labeling via the openFDA database. It is intended for educational and reference purposes only. This is not medical advice. Always consult your healthcare provider before making decisions about medication. Drug information may be updated by the FDA; check with your pharmacist for the most current information.
What are side effects?
Side effects are unwanted reactions that can occur when taking a medication. They range from mild (headache, nausea) to severe (allergic reactions, organ damage). Not everyone experiences side effects, and severity varies. Report any concerning side effects to your doctor.
What are drug interactions?
Drug interactions occur when a medication is affected by another drug, food, or supplement. Interactions can make medications less effective or cause dangerous side effects. Always tell your doctor about all medications and supplements you take.