Your doctor will provide instructions on how to properly use Per 5 Lotion and determine the appropriate amount you need It is important to carefully read the instructions that are included with the medicine to ensure correct usage Before applying the lotion ensure that your skin is clean dry and cool It is recommended to thoroughly wash your entire body 814 hours after using the medicine In most cases one application of the medicine is sufficient to treat the condition However if a second application is necessary wait at least 7 days before doing so It is normal for itching to persist for a few weeks after treating scabies as it may be an allergic reaction to dead mites and not an indication of treatment failure The most common side effects of using Per 5 Lotion include mild sensations of burning stinging or tingling at the application site These side effects are usually mild and not everyone experiences them Before using the lotion inform your doctor if you have any preexisting skin conditions or allergies to medications food or other substances If you have asthma it is also important to disclose this information While Per 5 Lotion is generally considered safe it is advisable to consult with your doctor for advice if you are pregnant or breastfeeding