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Pyrethrin with piperonyl butoxide kills parasites and their eggs. It is used to treat scabies (a skin infestation) and lice infestations of the head, body, and pubic area ('crabs'). Pyrethrin with piperonyl butoxide does not prevent these infestations.
The pyrethrin and piperonyl butoxide combination comes in liquid, gel, and shampoo form. Usually, one application of pyrethrin with piperonyl butoxide is effective. However, the treatment may need to be repeated after 1 week; call your doctor if signs of infestation (live parasites) reappear. Follow the directions on the package or on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Use pyrethrin and piperonyl butoxide exactly as directed. Do not use more or less of it or use it more often than directed by your doctor.
Wear rubber gloves when applying it if you have open cuts or scratches on your hands. If this medication accidentally gets in your eyes, rinse them thoroughly with water for at least 5 minutes.
To use the liquid or gel, follow these steps:
To use the shampoo, follow these steps:
If you have head lice, wash combs and brushes with the liquid, gel, or shampoo and rinse them thoroughly with water to remove the drug.
Before using pyrethrin and piperonyl butoxide,
Although side effects from pyrethrin and piperonyl butoxide are not common, they can occur. Tell your doctor if any of these symptoms are severe or do not go away:
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.
Keep all appointments with your doctor. Pyrethrin and piperonyl butoxide is for external use only. Do not let pyrethrin and piperonyl butoxide get into your eyes, nose, or mouth, and do not swallow it. Do not apply dressings, bandages, cosmetics, lotions, or other skin medications to the area being treated unless your doctor tells you.
After using pyrethrin and piperonyl butoxide, machine-wash (or dry clean) all clothing, bed linen, and towels that you have used in the last 2 days. Use hot water. Dry everything in a hot dryer for at least 20 minutes. Thoroughly clean all bathtubs, showers, and toilets in your home with rubbing alcohol.
You may have transmitted the parasites to family members and close contacts (including sexual contacts); advise them to see a doctor if they develop symptoms of infestation.
If you have scabies and your skin has become sensitive to the parasite, itching may persist for several weeks after the treatment. However, this itching does not mean that the treatment was a failure. Call your doctor if you have questions.
Do not let anyone else use your medication. Ask your pharmacist any questions you have about pyrethrin and piperonyl butoxide.
Last Revised - 01/01/2003
The MedMaster Patient Drug Information database provides information copyrighted by the American Society of Health-System Pharmacists, Inc., Bethesda, Maryland Copyright© 2004. All Rights Reserved.
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Page last updated: 04 October 2004 |