Your doctor will provide instructions on how to properly use Permifast Lotion and specify the appropriate amount to use It is important to read the accompanying instructions to ensure correct usage Before applying the lotion make sure your skin is clean dry and cool Thoroughly wash your entire body 814 hours after using the medicine In most cases a single application is sufficient for treating the condition However if a second application is needed wait at least 7 days before using it again Itching may persist for a few weeks after scabies treatment but this is likely due to an allergic reaction to dead mites and is not an indication of treatment failure Mild burning stinging or tingling at the application site are the most common side effects of this medicine These side effects are typically mild and not experienced by everyone Before using Permifast Lotion inform your doctor about any existing skin conditions or allergies to medications food or other substances as well as if you have asthma While this medicine is generally considered safe it is advisable to seek your doctors advice if you are pregnant or breastfeeding