What does a yeast infection look like on a guy?

Red: Usually a red cheesy white rash on the skin.

Yeast infection male: A yeast infection on a man's penis, called candida balanitis, is usually red, irritated patches of skin with occasional pustules. The infections seems to be almost always confined to the glans and corona. It is most commonly seen in men whose partners have yeast infections, in people with diabetes, and those that took antibiotics recently.