Genital herpes is caused by the herpes simplex virus (HSV) type 1 or type 2. It causes painful blisters to appear on the genitals and the surrounding areas. As genital herpes can be passed to others through intimate sexual contact, it is often referred to as a sexually transmitted infection (STI).
For full details of Genital Herpes click here to be taken to the NHS Choices website. If you are worried you may be at risk of having an STI or have any symptoms (as mentioned on the NHS Choices link to Genital Herpes), you should visit your local sexual health or GUM clinic to have them checked out.
(Link checked as correct on 22/04/2013 by SH next update due 22/10/2013)