Is Herpes simplex virus type 2 an STD?

Yes, Herpes simplex virus type 1 is an STD. It is one of the most common STDs, affecting an estimated one out of six people in the United States. HSV-2 is transmitted through skin-to-skin contact, including vaginal, anal, and oral sex. The virus can cause painful, itchy blisters on the genitals, anus, or mouth. HSV-2 is a lifelong infection, but antiviral medications can help to reduce symptoms and prevent outbreaks.