Watch Reacciones adversas for Free: How to Stream the Movie Online at 123Movies. . Daniel is a young man suffering from low selfesteem, who is incapable of defending himself from the abuses of employers and of society in general. He is medicated with antidepressants to make his monotonous life more bearable; however, far from helping him, the medication worsens hiscondition with hallucinations and psychotic thoughts of vengeance that lead him to a state of total confusion.