There are two types of Herpes Simplex Virus (HSV) Type 1 and Type 2. HSV-1 is extremely common. Approximately 75% of adults over the age of 25 in Western countries are infected, and in some developing countries 100% are infected.

HSV -1 usually only causes the occasional cold sore on the mouth which can be treated with topical creams and tablets to speed up the healing. In most cases of HSV-1 infection it is usually just the oral area that is affected however in approximately 30% of cases genital areas can become infected. HSV-2 can cause recurrent blisters and sores around the genital areas, although most people do not know that they have it.

Both infections are transmitted by direct ‘skin to skin’ contact with an infected area. Once someone is infected the virus stays in the body and symptoms can recur when the person’s immunity is low or when they are under stress.

Anti-viral drugs can be used to reduce the duration of each attack, and can be helpful for people who suffer from repeated painful episodes.

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