Pyrethrins and Piperonyl Butoxide (Topical)

BRAND NAMES:
In the U.S.
A-200 Gel Concentrate
A-200 Shampoo Concentrate
Barc
Blue
Licetrol
Pronto Lice Killing Shampoo Kit
Pyrinyl
R & C
Rid
Tisit
Tisit Blue
Tisit Shampoo
Triple X
BRAND NAMES:
In Canada
R & C

Description
Medicine containing pyrethrins (pye-REE-thrins) is used to treat head, body, and pubic lice infections. This medicine is absorbed by the lice and destroys them by acting on their nervous systems. It does not affect humans in this way. The piperonyl butoxide ( pye-PEER-i-nil byoo-TOX-ide) is included to make the pyrethrins more effective in killing the lice. This combination medicine is known as a pediculicide (pe-DIK-yoo-li-side ) .

This medicine is available without a prescription; however, your doctor may have special instructions on the proper use of this medicine for your medical condition.

Pyrethrins and piperonyl butoxide combination medicine is available in the following dosage forms:

Topical
Gel (U.S.)
Solution shampoo (U.S. and Canada)
Topical solution (U.S.)

Proper Use of This Medicine
Pyrethrins and piperonyl butoxide combination medicine usually comes with patient directions. Read them carefully before using this medicine.

Use this medicine only as directed. Do not use more of it and do not use it more often than recommended on the label. To do so may increase the chance of absorption through the skin and the chance of side effects.

Keep pyrethrins and piperonyl butoxide combination medicine away from the mouth and do not inhale it. This medicine is harmful if swallowed or inhaled.

To lessen the chance of inhaling this medicine, apply it in a well-ventilated room (for example, one with free flowing air or with a fan turned on).

Keep this medicine away from the eyes and other mucous membranes, such as the inside of the nose, mouth, or vagina, because it may cause irritation. If you accidentally get some in your eyes, flush them thoroughly with water at once.

Do not apply this medicine to the eyelashes or eyebrows . If they become infected with lice, check with your doctor.

To use the gel or solution form of this medicine:

Apply enough medicine to thoroughly wet the dry hair and scalp or skin. Allow the medicine to remain on the affected areas for exactly 10 minutes.
Then, thoroughly wash the affected areas with warm water and soap or regular shampoo. Rinse thoroughly and dry with a clean towel.

To use the shampoo form of this medicine:

Apply enough medicine to thoroughly wet the dry hair and scalp or skin. Allow the medicine to remain on the affected areas for exactly 10 minutes.
Then use a small amount of water and work shampoo into the hair and scalp or skin until a lather forms. Rinse thoroughly and dry with a clean towel.

After rinsing and drying, use a nit removal comb (special fine-toothed comb, usually included with this medicine) to remove the dead lice and eggs (nits) from hair.

Immediately after using this medicine, wash your hands to remove any medicine that may be on them.

This medicine should be used again in 7 to 10 days after the first treatment in order to kill any newly hatched lice.

Lice can easily move from one person to another by close body contact. This can happen also by direct contact with such things as clothing, hats, scarves, bedding, towels, washcloths, hairbrushes and combs, or the hair of infected persons. Therefore, all members of your household should be examined for lice and receive treatment if they are found to be infected.

To use this medicine for pubic (crab) lice:

Your sexual partner may also need to be treated, since the infection may spread to persons in close contact. If your partner is not being treated or if you have any questions about this, check with your doctor.

Dosing - The dose of pyrethrins and piperonyl butoxide combination will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of pyrethrins and piperonyl butoxide combination. If your dose is different, do not change it unless your doctor tells you to do so.

For topical dosage forms (gel, solution shampoo, and topical solution):
For head, body, or pubic lice:
Adults and childrenUse one time, then repeat one time in seven to ten days.

Storage - To store this medicine:

Keep out of the reach of children.
Store away from heat and direct light.
Keep the medicine from freezing.
Do not keep outdated medicine or medicine no longer needed. Be sure that any discarded medicine is out of the reach of children.