Cold sores are caused by a viral infection called the herpes simplex virus, or HSV. Here we explain the what, why, how and when of all things cold sores.
Feeling a tingle on your lips or seeing some strange little blisters develop? It could be a cold sore. Here we explain what to expect when a cold sore makes an appearance.
Here we explain tips on how to treat cold sores and why it’s so important to act as early as possible.
Our top tips to relieve the discomfort and speed up your recovery.