Relentus is a muscle relaxer. It provides relief from the discomfort associated with acute, painful musculoskeletal conditions such as rigidity, tension, stiffness, and muscle spasms. Relentus can be taken with or without food. Generally, you should try to use the smallest amount necessary to control your symptoms, for the shortest possible time. You should take this medicine regularly while you need it. Try not to miss doses as this will make the medicine less effective. Some common side effects of this medicine include dry mouth, sleepiness, diarrhea, tiredness, and dizziness. If any of these side effects do not go away...