Tinea Unguium Evaluation
The evaluation of a fungal nail infection starts with a medical history and physical exam.
The diagnosis of a fungal nail infection can be made on physical exam.
Physical findings in someone with a fungal nail infection may include:
- Coarse thickening and elevation of nails
- Distortion and dullness of the nails
- Splitting and flaking of nails
- Yellow-brown discoloration
Tests may be used to confirm the diagnosis of fungal nail infection.
Tests that may be used to evaluate fungal nail infection include:
- KOH preparation procedure:
- Clip or file away some of nail plate, and collect scales from beneath the nail onto a glass slide with coverslip
- Apply 10-20% potassium hydroxide solution and heat gently without boiling
- Let stand for 5 minutes and examine under a microscope for septate, branching hyphae.
Continue to Tinea Unguium Treatment
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