Many people wonder if they will feel tired while taking Casodex® (bicalutamide). In clinical studies, up to 22 percent of people taking the drug reported weakness or loss of energy as a side effect. Because this medication has been reported to cause drowsiness, it's a good idea to avoid driving, operating heavy machinery, or doing anything else that could be dangerous until you know how Casodex affects you.
(Click Casodex Warnings and Precautions to learn more about what to expect while using this prostate cancer medication. This article discusses other safety issues to discuss with your healthcare provider and explains who may need to avoid Casodex altogether.)