Blisters are fluid-filled bumps that look like bubbles on the
skin. They usually form when someone’s skin repeatedly rubs against
something or is exposed to heat.
When someone gets a blister, the part of the skin that is
damaged leaks fluid that collects under the top layer of the skin,
forming the blister.
What to look for - Blisters
Most blisters heal themselves within a few days. But seek
medical help if:
• they are extremely painful
• you think they may be infected, or
• they keep coming back
What you need to do - Blisters
If someone has a blister, don’t burst it as this can increase
the risk of infection.
Wash the skin around the blister with clean water.
Gently pat the skin dry with a sterile gauze pad or a clean,
If the blister was caused by something rubbing against the skin,
cover it with a plaster – ideally a special blister
plaster, as these have a cushioned pad that gives extra