Is It Safe To Live With Someone Who Has Herpes? Herpes is a viral disease caused by the herpes simplex virus. It appears in two forms based on the site of appearance of symptoms say genital herpes which appears as warts around the genitals and the oral herpes which appears as blisters in and around the lips, mouth nose etc. It is a very painful disease since it is not curable .if you catch it once it s going to stay with...