title: New risk information on IBS drug Zelnorm.
mesh_terms: D004348:Drug Labeling; D005765:Gastrointestinal Agents / Q000009:adverse effects*; D006801:Humans; D007211:Indoles / Q000009:adverse effects*; D043183:Irritable Bowel Syndrome / Q000188:drug therapy*
chemical_list: D005765:Gastrointestinal Agents; D007211:Indoles; C105050:tegaserod