No, herpès simplex virus can never go away. Once you get infected by it, it stays in your body forever. However, you can control the outbreaks brought by this viral infection. The human alphaherpesvirus is a serious disease, but not a deadly medical condition. It is incurable but treatable. In simpler terms, you cannot cure herpes, but you can treat the symptoms that may appear when activated by triggering factors.
It remains in your body forever. However, the symptoms of outbreaks, such as cold sores, oral sores, and fever blisters, can stay inactive for a long time with proper antiviral medications prescribed by your doctors. So, when you notice significant appearances of the symptoms, you should immediately contact your physician to confirm if you have the disease.
By doing that, you will receive proper treatment from your doctor through medical prescriptions. You will also know the things that you should do to avoid or prevent passing or transmitting the disease to the people you love.