Cold sores, also known as herpes labialis, are small and usually painful blisters on the skin of the lips, mouth, gums or the skin around the mouth. They are extremely common and are caused by an infection of the herpes simplex virus.
A cold sore attack usually starts with itching, burning, increased sensitivity, or tingling sensation around the lips, mouth, and gums. This then develops into a lesion/rash. Within a few days, blisters filled with clear yellowish fluid appear on a raised, red, painful skin area. Several smaller blisters may merge to form a larger blister. The blisters eventually break and ooze. The last stage of a cold sore attack is the formation of a crust which is finally shed to reveal pink, healing skin.
Untreated cold sores can last for 10 -12 days and can be painful and embarrassing for the sufferer. Application of antiviral creams is the best way to treat a cold sore attack.
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Remember, herpes viruses are contagious. Contact can occur directly, or through contact with infected razors, towels, dishes, etc. Avoid direct contact with cold sores or other herpes lesions. Minimize the risk of indirect spread by thoroughly washing items in hot (preferably boiling) water before re-use. Do not share items with an infected person, especially when herpes lesions are active. Wash blisters gently with soap and water to minimize the spread of the virus to other areas of skin.
If symptoms persist, seek medical advice.
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