This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Which of the following doesn't worsen angina? 
Select and explain. 
A. Sumatriptan, B. Oxyfedrine, C. Dipyridamole, D. Thyroxine
B: Oxyfedrine
Answer: B: Oxyfedrine 
Explanation: 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