Subcorneal Pustulosis Quiz

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Learn more about Subcorneal pustulosis

Content updated on Sep 20, 2022

What is subcorneal pustulosis?

Subcorneal pustulosis is a skin condition with non-infected, pus-filled pustules or blisters form on the skin, particularly in areas where the skin rubs together. The cause is unclear, but may be associated with other systemic conditions or certain medications. It is not contagious or inherited. Adult women, are at higher risk, however, children can develop this condition too.

Symptoms of subcorneal pustulosis

  • Bumps containing pus

  • There is a net-like or circular rash on parts of my skin

  • Skin redness or red bumpy rashes

Questions your doctor may ask to check for subcorneal pustulosis

Your doctor may ask these questions to diagnose subcorneal pustulosis

  • Do you have bumps on your skin with pus?

  • Does your skin have a circular or target like pattern?

  • Do you have red skin or red spots on the skin?

Treatment for subcorneal pustulosis

A medication called dapsone is often used to treat this condition, which typically resolves within a month of starting treatment. However, due to the risk of recurrence doctors may recommend maintaining treatment at a lower dose. Other medications may be considered if dapsone does not work/ cannot be taken.

View the symptoms of Subcorneal pustulosis

  • Pustule

  • Red skin


  • Martalo O, Paquet P, Piérard GE. La pustulose sous-cornée de Sneddon et Wilkinson [Sneddon and Wilkinson's subcorneal pustulosis]. Rev Med Liege. 2003 Oct;58(10):628-30. French. PMID: 14677522.

Medically Reviewed By:

Yukiko Ueda

Yukiko Ueda, MD


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