Prometheus Laboratories Inc. BrandsUpdated: November 8, 2013 Prometheus Laboratories Inc. manufacturers the following brands:Imuran Lotronex Proleukin Ridaura Trandate Zyloprim GenericsBack to TopPrometheus Laboratories Inc. manufacturers the following generics:Aldesleukin Allopurinol Alosetron Auranofin Azathioprine Labetalol