Although cold sores usually clear up on their own, they can be painful while they heal, so we asked the experts for their recommendations for natural remedies for cold sores, as well as treatments that can be used to help soothe discomfort and promote healing.
Cold sores are caused by the herpes simplex virus (HSV), which is a very common infection. As many as seven in 10 people in the UK are infected by HSV1 and you can experience a cold sore break out when you're feeling run down, stressed or from exposure to UV light.
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