Could you explain how to get rid of a cold sore quick?

Rest, hygeine, meds: Stress is by far the most common cause of cold sore which is the recurrence of herpes viral infection. It is a self limiting condiction and normally heal in 2 weeks. Rest and stress control will help the healing process. Oral hygeine is very important for prevention of secondary infection. Certain medicatons such as Acyclovir can speed the healing but not too much.