Herpes Simplex is an infection caused by herpes viruses 1 or 2 -- which primarily affects the mouth or genital area. An Immunocompetent Host possesses the ability to mount a normal immune response. Below you may find medications used to treat or help with Herpes Simplex, Mucocutaneous/Immunocompetent Host. More about Herpes Simplex, Mucocutaneous/Immunocompetent Host