Cold sores

Cold sore on and above the lip: Cold sores are so contagious that many people catch the virus that causes them by the time they’re 5 years old. Cold sores: Overview Also known as fever blisters or herpes simplex labialis What is a cold sore? A cold sore is a small blister or group of … Continued

Genital herpes

Genital herpes is an STD. If your partner has genital herpes, you can catch it — even when your partner doesn’t have sores. Genital herpes: Overview What is genital herpes? Genital herpes is a sexually transmitted disease (STD). It’s caused by the herpes simplex virus. Anyone who is sexually active can catch this virus. Many … Continued