What is a friction blister?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)

When something repeatedly rubs your skin, it causes friction. This friction can cause the layers of your skin to separate creating a cavity. The body attempts to reduce the friction by filling this cavity with fluid and before you know it, you have a friction blister.

You can avoid friction blisters on your feet by wearing the right shoes and socks.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.