<prompt> Which of the following doesnt worsen angina?SumatriptanOxyfedrineDipyridamoleThyroxine  <response>: Ans. is b i.e., Oxyfedrine Drugs that exacerbate Angina o Amphetamines o Alpha blocker o Beta agonists o Beta blockers withdrawal o Dipyridamol o Vasopressin o Ergotamine o Decongestants o Excessive thyroxine o Hydralazine o Methysergide o Minoxidil o Nifedipine o Nicotine and cocaine o Oxytocin o Sumatriptan o Theophylline 