Permethrin is a medication that belongs to a class of drugs called pyrethrins. It is a synthetic form of the pyrethrins, which are naturally occurring compounds found in chrysanthemum flowers. Permethrin is used to treat and prevent infestations of lice, fleas, and mites, as well as to treat scabies.

Common side effects of permethrin may include:

• Skin itching, redness, or rash

• Tingling or burning sensation at the site of application

Less common but serious side effects include:

• difficulty breathing

• hives

• severe allergic reactions

• swelling of the face, lips, tongue, or throat

It is important to consult with a healthcare provider if you experience any of these serious side effects while taking permethrin. They will advise you on what to do next.

Title: Permethrin, Medication for lice, fleas, and mites treatment with some common and serious side effects.