Last stage: It is a last stage of a cold sore. At this stage your cold sore dries out and brown, red or black crust appears, forming a scab. In a day or two the scab shrinks you may experience itching and light pain. Rec.: if concerned, see your dentist for further evaluation.
Answered 4/7/2014
4.2k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question