Herpes is an infection that is caused by a herpes simplex virus (HSV). Oral herpes causes cold sores around the mouth or face. Genital herpes affects the genitals, buttocks or anal area. Genital herpes is a sexually transmitted disease (STD). You can obtain it from having sex, even oral sex. The virus can spread even when sores are not present. Mothers can moreover infect their babies during childbirth.
Some people have no symptoms. Others obtain sores near the area where the virus has entered the body. They turn into blisters, become itchy & painful, & then heal. The virus can be dangerous in newborn babies or in people with weak immune systems.
Most people have outbreaks several times a year. Over time, you obtain them less often. Medicines to assist your body fight the virus can assist lessen symptoms & decrease outbreaks. Correct usage of latex condoms can reduce, yet not eliminate, the risk of catching or spreading herpes.
Source : nlm.nih.gov