Blisters should heal on their own within a week. They can be painful while they heal, but you shouldn't need to see a GP.
To relieve any pain, use an ice pack (or a bag of frozen vegetables wrapped in a towel) on the blister for up to 30 minutes.
To protect the blister and help prevent infection:
To protect your blister from becoming infected, a pharmacist can recommend a plaster or dressing to cover it while it heals.
A hydrocolloid dressing can help reduce pain and speed up healing.
Don't ignore an infected blister. Without treatment it could lead to a skin or blood infection.
Your GP might burst a large or painful blister using a sterilised needle. If your blister is infected, they may prescribe antibiotics.
They can also offer treatment and advice if blisters are caused by a medical condition.
Blisters develop to protect damaged skin and help it heal. They are mostly caused by friction, burns and skin reactions, such as an allergic reaction.
Blood blisters appear when blood vessels in the skin have also been damaged. They are often more painful than a regular blister.
If you regularly get friction blisters: