It is best to let the blisters dry up on their own and crust over and fall off for the best results. It is recommended not to pick the blisters with needles or scratching as they can easily become infected with bacteria. The rash can be treated with topical iodophor solution or penciclovir gel, and for combined bacterial infections the rash can also be treated with anti-bacterial medication. Herpes is mainly treated with oral antiviral medications such as valacyclovir, famciclovir, and busulfan. The patient of herpes must pay attention to rest and avoid exertion, otherwise it will aggravate the disease, such as herpes zoster after exertion easily lead to posterior neuralgia, herpes simplex or genital herpes, after exertion easily lead to the recurrence of the rash, so the patient of herpes must pay attention to rest and improve the resistance of the body.