Why Herpes Comes Back?

After the first infection, HSV sores can come back any time. They often come back when you are sick with something else and when your immune system isn't strong enough. Genital herpes might come back 4 to 6 times a year at first. After a few years, the herpes sores hurt less.

What causes herpes to reappear?

HSV-1 lies dormant in a person's nerve cells, and when they feel run down or fatigued or have a weakened immune system, the virus may become active again. Additional triggers of recurring cold sores include: stress. other infections, such as a cold or the flu.

How do you prevent herpes from coming back?