A common type of inflammatory infection. Yeast infections occur due to an overgrowth of the fungus Candida albicans; vaginal yeast infections are relatively common. Men can also get yeast infections, although women are much more susceptible. Symptoms include itching, burning, an unpleasant odor and genital discharge. Most yeast infections can be easily treated with antibiotics.

Some lubricants may increase the chances of a yeast infection, although most major manufacturers use preservatives and other ingredients to prevent candida overgrowth.