Cough drops can help manage cough related to Nexletol. If you are experiencing a cough, it is important to ensure that it is due to the medication. If you also have a fever or if you are producing phlegm, then it is likely that your cough is not caused by Nexletol. Other side effects like stomach pain can be managed by eating before or after taking your dose. Muscle spasms and back pain associated with Nexletol can be reduced by stretching or taking a pain reliever recommended by your healthcare provider.