This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Which of the following is the most common side effect of Cisapride? \nSelect and explain. \nA. Arrythmias, B. Constipation, C. Diarrhoea, D. Convulsion', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Cisapride is a prokinetic drug and the most common side effect associated with its use are abdominal cramps, borborygmi and diarrhea. Cisapride is a non selective serotonin 5HT4 agonist and paial 5HT3 agonist, it acts by increasing acetylcholine release from myenteric neurons.', 'role': 'assistant'}]