How is a cold sore diagnosed?
How is a cold sore diagnosed?
Your doctor will probably be able to tell if you have a cold sore by looking at the affected area. He or she may also swab the cold sore to test the fluid for the herpes simplex virus.
Your doctor will probably be able to tell if you have a cold sore by looking at the affected area. He or she may also swab the cold sore to test the fluid for the herpes simplex virus.