I can see them when i pull them off permitherin didn't work, now what it is beginning to effect my health in other ways. i've had these for 5 years.

Not improved permit: Please be more specific as to what you are treating . Scabies need Elmite- premitherin but you also have to clean all your sheets and bedding and clothes. Lice as below https://www.aad.org/public/diseases/contagious-skin-diseases/head-lice#treatment again need to wash all bedding, linen in hot water. Check to make sure not fungus , bed bugs need to clean bedding etc f/u/ w /dermatology