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HealthInfo Canterbury

Cold sores

Cold sores are small blisters around the mouth. Many people get cold sores, and some people get them again and again. Most of us are exposed to the herpes simplex virus that cause cold sores, even if we're not prone to getting them. Cold sores usually go away by themselves in seven to 10 days.

Cold sores are also known as facial herpes and fever blisters.

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Written by HealthInfo clinical advisers. June 2015.

Page reference: 180573

Review key: HICOS-180573