Permethrin

Molecule Description

Permethrin is a topical (applied on skin surface) medicine used to treat head l

ice and scabies. It belongs to a class of medications known as 'pyrethroids' and is also active against ticks, fleas, mites and other similar insects.

Uses

Contraindications

Side effects

Precautions and Warnings

Uses of Permethrin

Infections of head louse (pediculus humanus capitis)
Scabies (skin itching and rashes caused by mites)

Contraindications of Permethrin

When should one not use Permethrin

In patients with known allergic reaction to Permethrin.

Side effects of Permethrin

Common side effects of this drug are:

Skin and scalp irritation such as itching, swelling, stinging, mild burning, tingling, numbness and redness
Any symptoms of a serious allergic reaction, especially of the face/ tongue/ throat, severe dizziness, trouble breathing (rare, but serious)

Precautions and Warnings of Permethrin

Pregnancy

Can I take Permethrin during pregnancy?

Data available on usage of Permethrin in pregnant women is inadequate. Pregnant women are advised to use Permethrin only if it is necessary and alternatives are not available.

Breast Feeding

Can I take Permethrin while breastfeeding?

It is unknown if Permethrin passes into breast milk, but it is advisable not to use the medicine while breastfeeding. Do not decide on your own. Consult your doctor before breastfeeding.

Driving

Can I drive if I have consumed Permethrin?

As Permethrin is a topical cream rinse used for external application, it is unlikely to affect the ability to drive.

Alcohol

Can I consume alcohol with Permethrin?

Interaction with alcohol is not known but it is advised not to drink too much alcohol while on Permethrin.

Mode of Action of Permethrin

How Does It Work?

This medicine works by attacking the nervous system of lice and paralyzing them. It also kills head lice and their eggs attached to your scalp. It can be used for all age groups starting from 6 months...

Interactions of Permethrin

Interactions with other medicines

This medicine may interact with Cortisol.

Interactions with food items

No specific food interactions are available.

Dietary Restrictions of Permethrin

You should not use this medicine if you are allergic to it
Permethrin is for external use so do not consume it as it may be life-threatening
Avoid contact with eyes, mouth and tongue

Dosage of Permethrin

Overdose

As it is a topical cream rinse, overdose is not expected. But if you apply the cream more times than necessary, allergic reactions such as rashes, itching, redness may develop. Call your doctor if the...

Missed a Dose

Permethrin cream rinse comes in a container and should be used wholly once opened. If you are prescribed to use again, you need to buy a new box.

Content Details

WRITTEN BY

Dr. Ravi Kakarla

MBBS, MBA

REVIEWED BY

Dr. Ritu Budania

MBBS, MD (Pharmacology)

Frequently Asked Questions (FAQs)

Q: Are there any special precautions or warnings for using Permethrin?

A: You should not use Permethrin if you are allergic to it. Permethrin is for external use only so do not consume it as it may be life-threatening. Avoid contact with eyes, mouth and tongue.

References

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Last Updated on: 05 Oct 2020 | 10:47 PM (IST)

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Disclaimer

The information provided herein is supplied to the best of our abilities to make it accurate and reliable as it is published after a review by a team of professionals. This information is solely intended to provide a general overview on the product and must be used for informational purposes only. You should not use the information provided herein to diagnose, prevent, or cure a health problem. Nothing contained on this page is intended to create a doctor-patient relationship, replace or be a substitute for a registered medical practitioner's medical treatment/advice or consultation. The absence of any information or warning to any medicine shall not be considered and assumed as an implied assurance. We highly recommend that you consult your registered medical practitioner for all queries or doubts related to your medical condition. You hereby agree that you shall not make any health or medical-related decision based in whole or in part on anything contained in the Site. Please click here for detailed T&C.