it didn’t take long for another “new” drug to treat constipation. Again, this is a strong pharmaceutical, a serotonin type 4 receptor agonist. This means, it facilitates your body to make serotonin. Among the side effects: suicidal ideation, diarrhea, nausea, vomiting, and it gets into breast milk if you’re breast feeding. Why would you use an expensive drug like this with frightening side effect potential when you can use a simple, non-habituating laxative such as Miralax or its generic, or even an enema.