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Medically reviewed by Last updated on May 6, 2024.

What is a blister?

A blister is a fluid-filled pocket on the surface of your skin. The fluid may be serum, blood, or other fluid, depending on what caused the blister. A layer of fluid is created to protect the skin until it heals. Blisters usually heal on their own within 2 weeks.

How should I care for my blister?

Do not pop your blister or tear the skin on it. This could cause infection and slow the healing process. The following will help protect your blister area:

What can I do to prevent a blister?

Treatment options

The following list of medications are related to or used in the treatment of this condition.

When should I seek immediate care?

When should I call my doctor?

Care Agreement

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.