Penciclovir Cream belongs to the acyclic guanosine class of antiviral drugs and is commonly used in the treatment of viral skin diseases. Penciclovir cream is a commonly used antiviral cream that can effectively inhibit the replication of herpes virus and is effective in the treatment of herpes simplex, herpes zoster, chickenpox and other diseases. Side effects of Penciclovir Cream are rare, and a common side effect is to cause local discomfort such as burning and pain, which usually settles down within a few hours. A few patients will have local erythema, oozing, itching and other allergic symptoms, most of which can be recovered after stopping the drug. Allergic to the drug is prohibited. Penciclovir Cream is rarely absorbed through the skin and may be used by the elderly, children, pregnant and lactating women under medical supervision. Penciclovir Cream is a prescription drug, you need to consult your doctor before using it.