MedlinePlus Medical Encyclopedia: Herpes simplexDefinition Return to top. Herpes simplex is an infection that mainly affects the mouth or genital area. Causes Return to top. There are two different strains of herpes ... Herpes simplex - Wikipedia, the free encyclopediaHerpes simplex is a viral disease caused by Herpes simplex viruses; both herpes simplex virus 1 (HSV-1) and herpes simplex virus 2 (HSV-2) cause herpes simplex. Cold Sores (Herpes Simplex Infection) Causes, Symptoms, Signs ... Learn about cold sore(s) (herpes simplex infection) causes, symptoms, diagnosis, and treatment (with OTC medication and prescription medications). Genital Herpes ... disease (STD) that's usually caused by the herpes simplex virus type 2 (HSV2), although it can also be caused by herpes simplex virus type 1 (HSV1), which normally causes cold sores ... MedlinePlus: Herpes SimplexHerpes 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 ... |