All of the following drugs can worsen angina except (AIIMS May 2011)
· Dipyridamole results in coronary steal phenomenon and thus can worsen angina.
· Thyroxine is a thyroid hormone and cause tachycardia which can precipitate angina by increasing the cardiac work.
· Sumatriptan cause coronary vasoconstriction and thus can worsen angina.
· Oxyephedrine is a selective beta 2 agonist and do not act on cardiovascular system.