While less common, the most serious side effects of cyclobenzaprine are described below, along with what to do if they happen. Serotonin Syndrome.Serotonin syndromeis when there is too much of a substance called serotonin in your body. Cyclobenzaprine can cause serotonin syndrome when it is taken...
This may not be a complete list of medicines that can interact with cyclobenzaprine. Always check with your healthcare provider. Does Cyclobenzaprine (Flexeril, others) interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check Interactions ...