Cold sores is a very common viral infection which involves the occurrence of liquid filled blisters near the lips region of a person. These are commonly also known as fever blisters because they are accompanied by mild fever conditions. These blisters are not much of a serious concern as they do not leave long lasting scars on the face. Symptoms may vary but the common ones that occur during the initial outbreaks are: fever, sore throat, and headache. A cold sore generally has 3 stages viz. tingling and itching, blister formations and oozing fluids and crusting.
HOW IS COLD SORES DIAGNOSED?
Researches show that almost 90% of adults have been exposed to the cold sore virus, but not everyone who is affected with the virus gets cold sore outbreaks. Actually, only 20% to 40% of people do experience cold sores.