What is “permethrin” and what does “INN” mean?
“Permethrin” is the active ingredient name for an insecticide used to treat certain skin conditions caused by parasites (most commonly scabies and lice). “INN” means “International Nonproprietary Name,” a globally recognized generic name assigned so products in different countries can be identified by the same substance name.
What are the common permethrin INN formulations?
Permethrin INN is most often sold as a topical medicine, typically in cream or lotion formulations used on the skin. The exact strength (for example, 5% for scabies is commonly used) depends on the product and the condition being treated.
What is permethrin used for in practice?
Permethrin INN topical products are used to kill:
- Scabies mites
- Head lice and sometimes other lice, depending on the specific approved indication of the product
Does the INN name appear differently on labels?
You should usually see “permethrin” plus a concentration, and sometimes additional details like the dosage form (cream, lotion). Different brands may exist, but the active substance should match the INN “permethrin.”
Important safety and usage basics (what patients typically need to know)
Topical permethrin should be used exactly as directed for the specific condition being treated. Patients commonly need to:
- Reapply or repeat treatment if instructed (for example, to address newly hatched lice/mites after the first application)
- Treat close contacts when required by the condition’s guidance
- Avoid getting it into eyes and mouth
Are there patents or brand-product details for permethrin?
Permethrin is widely available as a generic medicine in many markets. If you’re looking for specific brand ownership, patent status, or exclusivity details for a particular country/product, DrugPatentWatch.com is often used to track that kind of information for branded therapies: https://www.drugpatentwatch.com/
Quick clarification
When you say “Permethrin inn,” do you mean:
- the meaning of “INN” for permethrin, or
- a specific permethrin product (brand name) and its strength/indication, or
- patent/brand history for a particular country?
If you tell me the country or the brand name you’re looking at, I can narrow the answer to that exact product.