Can antiviral medications trigger cold sores?

Cold sores are often caused by HSV-1. In some cases, they are caused by HSV-2. HSV-2 is the more common cause of genital sores. The herpes viruses can enter the ... May 18, 2023 ... Herpes simplex is an infectious virus spread through skin contact or sexual transmission of HSV-1 or HSV-2, a virus that causes oral herpes or genital herpes. Feb 10, 2021 ... “Herpes simplex recurrence has long been associated with stress, fever and sunburn,” said researcher Anna R. Cliffe, PhD, of UVA's Department of ... Causes & Symptoms. Cold sores are caused by the Herpes Simplex Virus (HSV) and are transmitted by skin-to-skin contact with an ... Herpes simplex encephalitis is typically caused by HSV-1, the virus historically believed to cause oral herpes (cold sores), although the condition can also be ... The herpes simplex virus (HSV-1) is what causes cold sores, but there are various psychological and environmental factors, such as stress or a cold, that can ... Cold sores are caused by the herpes simplex virus, or HSV-1. It is a highly contagious virus that never leaves your body. Some mouth sores are caused by the herpes virus. This is one of the germs that cause cold sores or fever blisters. It is not caused by sexual activity nor ... Cold sore outbreaks are often triggered by exposure to the sun, cold wind, a cold or other illness, a weak immune system, changing hormone levels, or even ... They are caused by infection with the herpes simplex virus (HSV). People are usually infected in childhood or young adulthood, and the infection persists for ...