If there is a bulge in something, there is a sudden large increase in it. ...a bulge in aircraft sales. ...the huge bulge of payments due over the next two years. Synonyms: increase, rise, boost, surge More Synonyms of bulge.
Two types of herpes simplex virus infections can cause genital herpes: 1  HSV-1. 2  This is the type that usually causes cold sores or fever blisters around your mouth, though it can be spread to your genital area during oral sex. 3  Recurrences are much less frequent than they are with HSV-2 infection.
There are two types of HSV, type 1 and type 2. In general, HSV-1, also known as herpes labialis or oral herpes, causes infections above the waist, most commonly as cold sores.. HSV-2 infections occur mainly below the waist, leading to genital herpes. However, both types of HSV are capable of infecting the skin at any location on the body.