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PYRETHINS; PIPERONYL BUTOXIDE (pi RETH rins; PI per on il byoo TOX ide) is used to treat lice. It acts by destroying the lice, but it does not destroy their eggs (nits). This medicine may be used to treat head lice, body lice, or pubic lice.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
They need to know if you have any of these conditions:
an unusual or allergic reaction to pyrethrins, piperonyl butoxide, other medicines, foods, dyes, ragweed, or preservatives
pregnant or trying to get pregnant
This medicine is for external use only. Do not take by mouth. Follow the directions on the package label. Use this medicine in a well ventilated area. Shake well before use. Apply to dry hair. Keep this medicine away from your eyes, mouth, nose, and vaginal opening. Apply to affected area until all the hair is thoroughly wet with product. Keep this medicine on your hair or affected area for 10 minutes. After 10 minutes, add warm water then rub into a lather. Rinse and dry with a clean towel. Use a nit comb to remove any of the remaining lice or nits. A second treatment must be done in 7 to 10 days to kill any newly hatched lice.
Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 2 years old for selected conditions, precautions do apply.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
If you miss a dose, use it as soon as you can. If it is almost time for your next dose, use only that dose. Do not use double or extra doses.
Interactions are not expected.
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
Lice infections can cause itching and irritation. This medicine may cause more itching for a short time after use. This does not mean that the medicine did not work.
Lice can be spread from one person to another by direct contact with clothing, hats, scarves, bedding, towels, washcloths, hairbrushes, and combs. All members of the house should be checked for lice. Treat everyone who is infected. For cases of pubic lice, sexual partners should be treated at the same time to prevent reinfection.
To prevent reinfection or spreading of the infection, the following steps should be taken: Machine wash all clothing, bedding, towels, and washcloths in very hot water and dry them using the hot cycle of a dryer for at least 20 minutes. Clothing or bedding that cannot be washed should be dry cleaned or sealed in an airtight plastic bag for 4 weeks. Shampoo any wigs or hairpieces. You should also wash all hairbrushes and combs in very hot soapy water (above 130 F) for 5 to 10 minutes. Do not share your hairbrushes or combs with other people. Wash all toys in very hot water (above 130 F) for 5 to 10 minutes or seal in an airtight plastic bag for 4 weeks. Also, clean the house or room by vacuuming furniture, rugs, and floors.
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
skin burning, irritation
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
dry, itchy, red skin
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.
This medicine is for external use only. Do not take by mouth. Follow the directions on the package label. Use this medicine in a well ventilated area. Shake well before use. Apply to dry hair. Keep this medicine away from your eyes, mouth, nose, and vaginal opening. Apply to affected area until all the hair is thoroughly wet with product. Keep this medicine on your hair or affected area for 10 minutes. After 10 minutes, wash the area thoroughly with warm water and soap or shampoo. Rinse and dry with a clean towel. Use a nit comb to remove any of the remaining lice or nits. A second treatment must be done in 7 to 10 days to kill any newly hatched lice.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
Bayhealth is Southern Delaware’s healthcare leader with hospitals in Dover and in Milford. Bayhealth provides a wide range of medical services, including cardiovascular, cancer, orthopaedics and rehabilitation, pediatrics, respiratory care, sleep care, surgical weight loss and women’s services.