Patients are randomized to receive dexamethasone or placebo every 6 hours for 72 hours (days 1 through 3). Additionally, standard antifungal therapy with amphotericin B and flucytosine is given for 2 weeks, followed by fluconazole for 8 weeks. Lumbar punctures will be performed daily on days 1 through 3, on days 7 and 14, and at week 10.