Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs Oral candidiasisUpdated: 2017-06-13OverviewOral candidiasis is accumulation of the fungus Candida albicans in the mouth. It's common in babies, people with immune deficiency, and those who use steroid sprays for asthma.SymptomsAlso called oral thrush, it causes white lesions on the tongue or inner cheeks.TreatmentsUnsweetened yogurt or an antifungal medication can help. © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use