Herpikind Ointment is primarily used to treat herpes simplex virus infections of the skin. It contains Aciclovir, which is an antiviral medicine. It works by killing and stopping the growth of the herpes simplex virus. It also treats genital herpes and herpes labialis/cold sores (herpes simplex virus infections of the lips and face). Common side effects of Herpikind Ointment include dry/cracked lips, flaky skin, and temporary burning or stinging sensation.