Last updated on November 2017

Herpes (Cold Sore)

Brief description of study

Herpes (Cold Sore)

Detailed Study Description

Herpes is an STD caused by a virus instead of a bacteria. The cause of herpes is the Herpes Simplex Virus (HSV). The sign that genital herpes is present is that painful genital lesions or sores that look like little blisters occur from time to time on the genitals. The blisters occur when the herpes virus, which lives deep inside the nerves during quiet periods, travels down the nerves to the skin. Itching or pain can precede the appearance of herpes blisters. The blisters are not permanent, but rather come and go in episodes. When they come it is called an "outbreak".

Clinical Study Identifier: TX81607

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