Wikipedia –>”Minor cases caused by a fungal infection can be treated by over-the-counter antifungal creams (e.g. clotrimazole)”.
“studies have linked the initial onset of angular cheilitis with nutritional deficiencies, namely riboflavin (vitamin B2)and iron deficiency anemia, which in turn may be evidence of poor diets or malnutrition (e.g. celiac disease). Zinc deficiency has also been associated with angular cheilitis.” < --- end Food for thought. Hope you heal soon and well, Raster.