Piperonyl Butoxide And Pyrethrum Extract

FDA Drug Information • Also known as: Herklin, Rid Lice Killing

Brand Names
Herklin, Rid Lice Killing
Route
TOPICAL
Dosage Form
SHAMPOO
Product Type
HUMAN OTC DRUG

What Is Piperonyl Butoxide And Pyrethrum Extract Used For?

TREATS Head, pubic (crab), and body lice.

Dosage and Administration

DIRECTIONS: Important: Read carton for complete warnings and directions before using. Adults and children 2 years and older 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 on hair for 10 minutes, but no longer. Use warm water to form a lather, shampoo, then rinse thoroughly. For head lice, towel dry hair and comb out tangles. A fine-tooth comb or a special lice/nit removing comb must be used to help remove lice, eggs, and nits from hair. A second treatment must be done in 7-10 days to kill any newly hatched lice. Children under 2 years: ask a doctor

Warnings and Precautions

WARNINGS: For external use only Do not use near the eyes, inside nose, mouth, vagina, or on lice in eyebrows or eyelashes. See a doctor if lice are present in these areas. Ask a doctor before use if you are allergic to ragweed. May cause breathing difficulty or an asthmatic attack. When using this product keep eyes tightly closed and protect eyes with a washcloth or towel. Do not open eyes until product is rinsed out of hair. If product gets in eyes, flush with water right away. Stop use and consult a doctor if breathing difficulty occurs, eye irritation occurs, skin or scalp irritation continues or infection occurs. Keep out of reach of children. 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.