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Child Health Library

Healthwise

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: September 25, 2025

Author: Ignite Healthwise, LLC Staff

Clinical Review Board
All Ignite Healthwise, LLC education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

Welcome Our New Pediatric Provider

Genesis Pediatrics is happy to welcome Dr. Daniel Trigg, MD to our care team. Dr. Trigg joined our practice on January 5th and is accepting new patients.

We look forward to caring for your child and supporting your family. Learn more about Dr. Trigg or call our office to schedule your child’s appointment
Meet Dr. Trigg

📞 Please Call 585-426-4100 to Schedule Your Child’s Appointment