Patient Education

Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein.

KOH test

A potassium hydroxide (KOH) test is done to determine whether a fungus is causing a skin infection. Samples from an infected area are treated with KOH, which dissolves skin cells and leaves behind fungus cells (if any are present) that can been seen with a microscope.

The KOH test may be used to diagnose fungal infections, such as thrush, tinea versicolor, and ringworm.

Current as of: April 30, 2024

Author: Ignite Healthwise, LLC Staff

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Patient Education

KOH test

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