Herpes is an infection that is caused by a herpes simplex virus (HSV). HSV type 1 most commonly causes cold sores. It can also cause genital herpes. HSV type 2 is the usual cause of genital herpes, but it also can infect the mouth. Herpes is a sexually transmitted virus that primarily infects the mouth and the genitals. While both herpes 1 and 2 cause the same type of painful cold sore, the key difference between the two types is recurrence risk. Reading this article after finding out my genital herpes is simplex 1 is like a little ray of sunshine through a dark cloud that’s been hanging around far too long!. Herpes simplex virus (HSV) infections are very common worldwide. HSV-1 is the main cause of herpes infections on the mouth and lips, including cold sores and fever blisters. You may be infected with HSV-1 or HSV-2 but not show any symptoms.
Viruses cause both of these diseases. The herpes simplex virus-1 (HSV-1) causes oral herpes; both HSV-1 and herpes simplex virus-2 (HSV-2) cause genital herpes. Herpes simplex viruses (HSVs) cause raised and oozing sores or blisters. When these sores erupt on or close to the lips or inside the mouth, they are commonly called cold sores or fever blisters. During a herpes flare-up, children develop 1 or 2 sores around the mouth. Primary infection occurs in the absence of preexisting antibodies to herpes simplex virus, either HSV-1 or HSV-2. First episode nonprimary infections occur in the absence of any previous signs or symptoms of genital herpes but in the presence of preexisting heterologous antibodies.
There are two types of herpes simplex virus. Type 1 is the usual cause of cold sores around the mouth, and herpes simplex infection in the eye. Type 2 is the usual cause of genital herpes.