What are cold sores? | Patient Explainers

About 1 in 5 people in the UK have recurring cold sores. Cold sores usually resolve on their own without treatment in 7-10 days. Antiviral creams may help to reduce the severity of symptoms and are most effective the earlier they are used when a cold sore is starting to develop. Find out more: https://patient.info/health/viral-skin-infections-leaflet/cold-sores

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