A skin culture poses no risks. Your doctor will usually collect the sample with a sterile cotton swab. If you have an infection in your fingernails or toenails, they may clip a sample of your nails.

A skin lesion KOH exam is a simple skin test to check if an infection in the skin is caused by fungus. KOH stands for potassium (K), oxygen (O), and hydrogen (H). These elements make up potassium ...

Skin lesion biopsy; Fungal culture. A fungal culture is used to find the fungi in the infected lesion. For the test the doctor may take skin samples over the affected area by lightly scraping the ...