This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Neuraxial Blockade, Subject name: Anaesthesia
[{'content': 'All are management of PDPH except- \nSelect and explain. \nA. Analgesic + caffeine, B. Intravenous / out fluids, C. Upright poion, D. Stool softners', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Conservative treatment involves i. Analgesic + caffeine ii. Fluids iii. Supine position iv. Stool softener decreases valsalva straining', 'role': 'assistant'}]