This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vascular surgery, Subject name: Surgery
Drug used for Burger's disease 
Select and explain. 
A. Xanthinol microtinate, B. Propranolol, C. GTN, D. All the above
A: Xanthinol microtinate
Answer: A: Xanthinol microtinate 
Explanation: . -Xanthinol microtinate is the drug used in buerger's disesase. -Injection of 3000mg from day 1to 9000 mg on day 5 is often practiced to promote ulcer healing .helps to increase claudication distance as a temporary basis. -other drugs used are pentoxiphylline ,low dose aspirin,prostacyclins,ticlopidine,carnitine,cilsotazole,low molecular dextran etc... Refer page no 181 of SRB's manual of surgery 5 th edition.