You feel a tingling on your lip and you know immediately that it’s a dreaded coldsore. Cold sores are caused by infection with the herpes simplex virus (HSV) and once you’ve been infected, usually during childhood, your chances of recurrence are high. Cold sores are extremely common and many treatments rely on quick action before blisters appear.
Common cold sore triggers People who have been infected with HSV are more susceptible to cold sores and may find they appear regularly under particular conditions including:
Preventing cold sores If you’re prone to cold sores you might be able to stop them by wearing lip balm in the sun or wind, keeping your immune system in peak condition and avoiding getting run down or overtired.
Avoid passing it on To minimise the chances of passing on the virus, avoid kissing and sharing towels, toothbrushes, drinks and cutlery. HSV is from the same family of viruses that cause genital herpes, so it is possible to pass it on during oral sex.
Fixing a cold sore At the first sign of a cold sore, you can try one of the following treatments: