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Medications and Drugs

Brand Names: A-200 Lice Control, A-200 Lice Treatment, Good Sense Lice Killing Shampoo, Step 1, Lice Treatment Maximum Strength, Pronto Lice Kill System, Pronto Shampoo & Cream Rinse, Pronto Shampoo Kit, Pronto Spray, Pronto with Metal Comb, R & C Lice Treatment Kit, Rid Pediculicide, Tegrin-LT Lice Spray, Tegrin-LT Lice Treatment Kit, Tegrin-LT Shampoo, Triple X Pediculicide

Generic Name: piperonyl butoxide and pyrethrins topical (Pronunciation: pi PER o nil bue TOX ide and pye RETH rins)

What is piperonyl butoxide and pyrethrins topical (A-200 Lice Control, A-200 Lice Treatment, Good Sense Lice Killing Shampoo, Step 1, Lice Treatment Maximum Strength, Pronto Lice Kill System, Pronto Shampoo & Cream Rinse, Pronto Shampoo Kit, Pronto Spray, Pronto with Metal Comb, R & C Lice Treatment Kit, Rid Pediculicide, Tegrin-LT Lice Spray, Tegrin-LT Lice Treatment Kit, Tegrin-LT Shampoo, Triple X Pediculicide)?

Piperonyl butoxide and pyrethrins are insecticide chemicals.

Piperonyl butoxide and pyrethrins topical (for the skin) is used to treat lice.

Piperonyl butoxide and pyrethrins topical may also be used for purposes not listed in this medication guide.

What are the possible side effects of piperonyl butoxide and pyrethrins topical?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using piperonyl butoxide and pyrethrins and call your doctor at once if you have severe stinging, burning, itching, swelling, or irritation where the medication is applied.

Less serious side effects may include:

  • mild itching, burning, or stinging;
  • mild skin rash; or
  • numbness or tingly feeling.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about piperonyl butoxide and pyrethrins topical?

You should not use this medication if you are allergic to piperonyl butoxide and pyrethrins, or if you have an allergy to chrysanthemums or ragweed.

Check all household members for signs of lice. Lice can be spread from person to person by sharing a hairbrush, a comb, hats, or headbands. It can also be spread through head-to-head contact.

Use this medication for the full prescribed length of time. Your symptoms may improve before the lice infestation is completely cleared. Call your doctor if your condition does not improve, or if your symptoms get worse while using this medication.

Stop using piperonyl butoxide and pyrethrins and call your doctor at once if you have severe stinging, burning, itching, swelling, or irritation where the medication is applied.

To prevent reinfection with lice, wash all clothing, hats, bed linens, stuffed toys, hair brushes, and combs in hot water with a strong cleanser to remove any mites or eggs. You may need to use a special lice control spray to treat furniture, mattresses, sports helmets, headphones, and other non-washable items. Ask your doctor of pharmacist about disinfecting your home.



Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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From WebMD