Cold sores and fever blisters are one and the same. They're caused by the herpes simplex virus (HSV), the same virus that also causes genital herpes. HSV type 1 typically is responsible for cold sores while HSV type 2
Cold sores and fever blisters are one and the same. They're caused by the herpes simplex virus (HSV), the same virus that also causes genital herpes. HSV type 1 typically is responsible for cold sores while HSV type 2 causes genital problems. Cold sores and herpetic lesions are contagious. You get them initially from people who have them. This usually happens by direct contact or as a result of sharing eating utensils, razors or towels. When you have an active cold sore, be very careful about infecting others, especially babies, and anyone who has eczema or a suppressed immune system.
The sores usually occur on the lips (don't confuse them with 