This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sympathetic System, Subject name: Pharmacology
[{'content': 'Postural hypotension is seen with all except \nSelect and explain. \nA. Prazosin, B. Terazosin, C. Tamsulosin, D. Doxazosin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Alpha blockers can cause postural hypotension, which is also known as First Dose Hypotension. So to avoid First dose Hypotension Alpha 1A blockers are used. e.g. - TAMSULOSIN, SILODOSIN (New drug). Tamsulosin used in benign prostatic hyperplasia Another drug category with similar adverse effect is ACE inhibitors like captopril.', 'role': 'assistant'}]