Pharmacology Autonomic nervous system fbc2a0bd Non-selective beta blocker is contraindicated in diabetes because A Hyperglycemia B Hypoglycemic unawareness C Tachycardia D Hypotension High-Yield Explanation Hypoglycemia stimulates sympathetic system l/t palpitations which are neutralized by sympatholytics like beta blockers. Ref: HL Sharma 3rd ed.