Your physician will provide instructions on how to properly use Zeroscab Lotion and the recommended dosage It is important to carefully read the instructions provided with the medication to ensure correct usage Prior to application ensure that your skin is clean dry and cool It is advised to thoroughly wash your entire body within 814 hours after using the lotion In most cases a single application is sufficient to treat the condition However if a second application is required it is recommended to wait at least 7 days Itching may persist for a few weeks following treatment but this is likely due to an allergic reaction to dead mites and not an indication of treatment failure The most common side effects include a mild burning stinging or tingling sensation at the site of application These side effects are usually mild and not experienced by everyone Inform your doctor about any existing skin conditions allergies to medications food or other substances and if you have asthma While this medication is generally considered safe it is advisable to seek your doctors advice if you are pregnant or breastfeeding