A-200 Lice Treatment
Generic Name: piperonyl butoxide and pyrethrins topical (pye PER oh nil bue TOX ide and pye REE thrins TOP i kal)
Brand Name: A-200 Lice Treatment, Good Sense Lice Killing Shampoo, Step 1, Leader Lice Solution, Pronto Lice Kill System, R & C Lice Treatment Kit, Rid Pediculicide, Tegrin-LT Lice Treatment Kit, Triple X Pediculicide
Medically reviewed on September 14, 2017
What is A-200 Lice Treatment?
Piperonyl butoxide is a chemical that stops the breakdown of pyrethrins, an insecticide chemical.
A-200 Lice Treatment (for the skin) is a combination medicine used to treat lice.
A-200 Lice Treatment may also be used for purposes not listed in this medication guide.
Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
Before taking this medicine
You should not use A-200 Lice Treatment if you are allergic to it, or if you have an allergy to chrysanthemums or ragweed.
FDA pregnancy category C. It is not known whether A-200 Lice Treatment will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication.
It is not known whether this medicine passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby.
How should I use A-200 Lice Treatment?
Follow all directions on your prescription label. Do not use this medicine in larger or smaller amounts or for longer than recommended.
Lice infestations are highly contagious. All household members may need to be treated for 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.
Apply the shampoo to dry hair. Shake well before use. Apply to all areas of the scalp, including behind the ears and neck. Treat hair from the roots to the ends and leave the shampoo in the hair for no longer than 10 minutes, then rinse thoroughly with warm water. The shampoo should be used again in 7 to 10 days to kill any newly hatched lice.
Keep your eyes tightly closed while using this medicine in your hair. You may use a washcloth or towel to protect your eyes while applying the medication to your head. Do not apply to your eyebrows or eyelashes. Call your doctor if these areas become infected with lice.
You will need to remove any eggs (nits) from the hair shafts with a special comb. Some lice products come provided with a nit comb. If you do not have such a comb, ask your pharmacist where you can get one. Nits may not be removed effectively with a regular fine-tooth comb.
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.
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 or pharmacist about disinfecting your home.
Store the medicine at room temperature away from moisture and heat.
What happens if I miss a dose?
Use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while using A-200 Lice Treatment?
Avoid using other medications or skin products on the areas you treat with A-200 Lice Treatment, unless your doctor tells you to.
Avoid getting this medication in your eyes, nose, mouth, or vagina. If this does happen, rinse with water. Do not use A-200 Lice Treatment on sunburned, windburned, dry, chapped, irritated, or broken skin.
Avoid close contact with others until the infection has been cured. Also avoid sharing hair combs, hair accessories, hats, clothing, bed linens, pillows, and other items of personal use.
A-200 Lice Treatment side effects
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.
Common side effects may include:
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.
See also: Side effects (in more detail)
What other drugs will affect A-200 Lice Treatment?
It is not likely that other drugs you take orally or inject will have an effect on topically applied piperonyl butoxide and pyrethrins. But many drugs can interact with each other. Tell each of your health care providers about all medicines you use, including prescription and over-the-counter medicines, vitamins, and herbal products.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Copyright 1996-2018 Cerner Multum, Inc. Version: 3.02.
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- Drug class: topical anti-infectives