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PERMETHRIN belongs to the class of pyrethroids. It is an antiparasite drug used to treat infections caused by eggs, lice, and mites. It is used mainly used in the treatment of pediculosis and scabies. Pediculosis is the infestation of lice in the hairy parts of the body, especially the scalp. It occurs most commonly in children above five years of age and spreads by head-to-contact. Scabies is a skin infection caused by mites. It is contagious and spreads from one person to another with physical contact. Patients with pediculosis and scabies experience rashes and persistent itching in the infected area, which worsens at night.

PERMETHRIN contains Permethrin, an antiparasitic drug. It kills the small insects (mites) and their eggs that cause scabies. It also destroys head lice, which stick to your scalp and cause irritation.

PERMETHRIN is exclusively for external use only. Some people may experience adverse effects such as redness, rash, burning sensation, and itching. 

Do not use PERMETHRIN if you are allergic to Permethrin or chrysanthemums or any component present in PERMETHRIN. Children below six years, pregnant women, and breastfeeding mothers should consult a doctor before using Permethrin. The infected area should be kept clean and dry before applying the drug.


Pediculosis (head lice infestation) and scabies (skin infection)

Medicinal Benefits

PERMETHRIN is mostly used to treat parasitic infections. It targets eggs, lice, and mites. It releases chemicals known as pyrethrins which act on the nervous system. It inactivates the nerve membrane and paralyzes the insects, eventually killing them. It can also kill the nits and eggs of the insect.

Directions for Use

Cream/Ointment/lotion/Liquid: It is only for external use. As recommended, take a small amount of it on the fingertip and apply it as a thin layer on the clean and dry affected area. Avoid contact with the nose or eyes. In case of accidental contact with these areas, rinse with water thoroughly. Wash your hands before and after using them if they are not the affected area to prevent the spread of infection. Soap/shampoo: It can be used in place of regular soap/shampoo during bathing or as directed by a healthcare professional.


Store in a cool and dry place away from sunlight

Side Effects of PERMETHRIN

  • Skin irritation
  • Redness
  • Rash
  • Burning or tingling sensation
  • numbness

In-Depth Precautions and Warning

Drug Warnings

Please inform your doctor if you are allergic to permethrin, chrysanthemum, or other medicines. Please tell your doctor if you have any other skin diseases or chronic illnesses. PERMETHRIN is recommended for children below six years, elderly people, pregnant women, and breastfeeding women only if recommended by a doctor. Take the dose as defined by the doctor. Consult your doctor if you develop any abnormal signs or symptoms while using permethrin. 

Drug Interactions

Drug-drug interactions: No interactions found.

Drug-food interactions: No interactions found.

Drug-disease interactions: Patients with ragweed (pollen) allergy should use PERMETHRIN with caution.

Drug-Drug Interactions Checker List:

Safety Advice

  • Safety Warning



    No interaction was found. However, it is advisable not to take or limit alcohol as a precautionary measure.

  • Safety Warning


    consult your doctor

    Please consult the doctor. There are no adequate and well-controlled studies on pregnant women. Your doctor will recommend only if the benefits outweigh the risks.

  • Safety Warning

    Breast Feeding

    consult your doctor

    Consult your doctor; there is no substantial research yet on using PERMETHRIN in breastfeeding/nursing mothers.

  • Safety Warning


    not applicable

    PERMETHRIN may not have any effect on driving ability.

  • Safety Warning


    consult your doctor

    No interaction was found/established. If you have any concerns, please consult the doctor.

  • Safety Warning


    consult your doctor

    No interaction was found/established. If you have any concerns, please consult the doctor.

  • Safety Warning



    Children below 12 years should use PERMETHRIN only when a doctor recommends it.

Habit Forming


Diet & Lifestyle Advise

  • Limit dairy intake such as milk, curd, and cheese as they may trigger skin irritation. 
  • Avoid alcohol as it may increase inflammation and worsen the condition.
  • Avoid sharing personal belongings such as combs, towels, scarves, and razors. 
  • Wash the bedding and clothes with soap and hot water after every use.

Special Advise

  • Avoid scratching the skin as it may worsen the infection.
  • Avoid direct skin-to-skin contact. Seek medical help if your sexual partner also develops scabies.

Patients Concern

Disease/Condition Glossary

Pediculosis and scabies are parasitic infections. Pediculosis is the infection caused by the parasite Pediculus humanus. It is an ectoparasite and feeds on blood. It infects hairy body parts such as the scalp and pubic area. In this condition, lice attach to the scalp and lay eggs at the base of the hair. Scabies is an infection caused by the mite, Sarcoptes scabiei. The mites attach themselves to the skin and cause skin rashes, intense itching, and burning sensation. It usually affects the knees, elbows, breasts, thighs, pubic area, and webbing between the fingers.


How does PERMETHRIN work?

PERMETHRIN contains Permethrin, an antiparasitic drug. It kills the small insects (mites) and their eggs that cause scabies. It also destroys head lice, which stick to your scalp and cause irritation.

How often can PERMETHRIN be used?

The duration of treatment depends on the severity of the infection. It is recommended to consult a doctor to know the exact dose and duration of the treatment.

Can you use PERMETHRIN on face?

PERMETHRIN should not be applied on the face, except for infants and elderly people. However, consult a doctor before using in children below 6 years and older population above 65 years.

Can I wear clothes after applying PERMETHRIN?

You can wear light clothes after applying medicine to the infected area. Wash the clothes with hot water after every use.

What if I overdose PERMETHRIN?

If you overdose or use too much medicine, rinse the area thoroughly with water. Reapply the medicine after drying the affected area. However, if you notice any abnormal signs or symptoms after applying the medicine, seek medical help immediately.

Does PERMETHRIN cause hair loss?

PERMETHRIN may not cause hair loss or any hair damage.

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