Yeast infection: An overgrowth can impact various parts of the body, such as the skin (causing a yeast rash), the mouth, digestive tract, and other areas. These infections are most common in moist parts of the body. While Candida yeasts, including Candida albicans, are the most typical culprits, other yeast groups like Torulopsis, Cryptococcus, Malassezia, and Trichosporon can also cause issues, particularly in patients with weakened immune systems. Diagnosis typically involves visual examination and can be confirmed through culturing a swab or sample from the affected site. Treatment includes topical or oral medications. Additionally, acidophilus, beneficial bacteria that usually help control yeast levels, can be taken as a supplement or through foods containing live cultures. For more information, see related topics such as Candida albicans, thrush, yeast vaginitis, and yeast rash.