👉 Oligosphaeria is a fungal infection characterized by circular, ovoid-shaped, brown or black colonies on the surface of the skin and sometimes on the mucous membranes of the mouth, nose, and throat. It can be caused by a variety of fungi such as Candida albicans, Candida parapsilosis, or dermatophytes. The symptoms include redness, itching, and burning during urination, as well as persistent sores or ulcers on the skin.
