HSV-1 causes oral herpes, leading to cold sores or blisters around the mouth. Genital herpes is caused by either HSV-1 or HSV-2 and produces blisters on the genitals. Not all people show symptoms.

Should You Do a Self-Exam of Your Vagina? As long as you're getting routine vaginal exams with Pap smears, you don't need to do vaginal self-exams. But you may want to check for any unusual changes if ...