Blisters are fluid-filled bumps under your skin that you can get if your skin is damaged.
A blister will usually heal on its own if you cover it with a plaster or dressing and do not burst it. If it's very big or painful, a GP may drain it.
Blisters are lumps under your skin that can be filled with clear fluid, blood or pus.
Page last reviewed: 12/12/2017
Next review due: 12/12/2020