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.
Key Points. HSV usually causes mucocutaneous infection but sometimes causes keratitis, and serious CNS infection can occur in neonates and in adults. After initial infection, HSV remains dormant in nerve ganglia, from which it can periodically emerge, causing symptoms.