- History of any of the following: kidney disease; serious illness within 14 days prior to study entry; end organ cytomegalovirus infection; Kaposi's sarcoma; cataracts; active herpetic infection or peptic ulcer disease within 12 months; or malabsorption, severe chronic diarrhea, or inability to eat 1 or more meals a day because of chronic nausea, emesis, or abdominal/mouth and throat discomfort