Blisters
A blister is a small pocket of fluid that forms in the upper layers of the skin.
Blisters are most often caused by skin being damaged by friction or heat. Certain medical conditions also cause blisters to appear.
Most blisters heal naturally and don't require medical attention.See your GP if you have a blister that becomes infected.
There are several ways to prevent getting blisters from friction, sunburn or chemicals.