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Cold sores: Symptoms and causes

Cold sores: Symptoms and causes

Coldsores are small blisters on or around the lip. The blisters are painful, itchy and can make eating difficult, particularly for children. It is caused by the herpex simplex virus (HSV) and this virus can be spread from one person to another through contact with the saliva or respiratory droplets of an infected person.

Cold sores are a painful and unpleasant, but with the right medication, the duration and severity of your symptoms can reduce.