The main objectives of this study are: 1) to determine whether various levels of severity of oral candidiasis (thrush) in the child are associated with different levels of speech production, feeding skills, and self-concept, and 2) to assess the effect of the reduction of oral thrush over time on the speech function, feeding skills, and self-concept in HIV-infected patients who already are receiving various antifungal medications for treatment of their thrush (Note: Decisions regarding antifungal therapy are made completely independent from this study).