Malathion, Topical

What are other names for this medicine?

Generic and brand names: malathion, topical; Ovide

What is this medicine used for?

This medicine is used to kill head lice and their eggs.

How do I use it?

Use this medicine exactly as directed by your health care provider. Do not use it more often or longer than directed.

Apply the lotion to dry hair and rub it in gently until your scalp is thoroughly moistened, especially the back of your head and neck.

Do not use a hair dryer. Allow the lotion to dry naturally and leave your hair uncovered. Wash your hands after applying the lotion.

Leave the lotion on for 8 to 12 hours, then wash your hair with a mild, nonmedicated shampoo. Rinse your hair thoroughly and use a fine-toothed comb to remove dead lice and eggs.

Do not put this medicine on open cuts or broken skin.

What should I watch out for?

Head lice spread easily, so your health care provider may want to treat all members of your household at the same time.

This medicine is for external use only. If it is swallowed by accident, get emergency medical help right away.

This medicine contains alcohol that can catch fire. Do not use it near an open flame or electric hair dryer, and do not smoke while you apply the medicine.

What are the possible side effects?

Report scalp irritation to your health care provider.

What products might interact with this medicine?

No significant drug interactions have been reported for this medicine when it is used properly.

Because there is a small risk that some of this medicine may be absorbed into your system, tell your health care provider about any other medicines you are taking or using.

Keep a list of all your medicines (prescription, nonprescription, supplements, natural remedies, and vitamins) with you. Be sure that you tell all health care providers who treat you about all the products you are taking.

How should I store this medicine?

Store this medicine at room temperature. Keep the container tightly closed. Protect it from heat, high humidity, and bright light. Keep this medicine in a safe place, away from medicines that are swallowed.

This advisory includes selected information only and may not include all side effects of this medicine or interactions with other medicines. Ask your health care provider or pharmacist for more information or if you have any questions.

Ask your pharmacist for the best way to dispose of outdated medicine or medicine you have not used. Do not throw medicine in the trash.

Keep all medicines out of the reach of children.

Do not share medicines with other people.