<prompt> Propranolol is contraindicated in diabetes mellitus because itCauses hyperglycemiauses seizuresMasks the hypoglycemic symptomsCauses hypotension  <response>: Ref; KD Tripathi pharmacology 7th edition page no; 146 Propranolol delays recovery from hypoglycemia due to insulin and oral antidiabetics. It masks the warning signs of hypoglycaemia mediated through sympathetic stimulation tachycardia, tremor. 