This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'the above condition is due to execessive usage of ? \nSelect and explain. \nA. ticeplanin, B. pipericellin, C. VANCOMYCIN, D. metronidazole', 'role': 'user'}, {'content': 'Answer: C \nExplanation: image shows red man syndrome which is a side effect of vancomycin usage which increases histamines and causes flushing of the skin Vancomycin: Red Man Syndrome * Constellation of symptoms : Pruritus, flushing, erythroderma common : Hypotension uncommon * Due to nonspecific histamine release that is rate related (rare repos of IgE-anaphylaxis) * Severity correlates with amount of histamine released into plasma * Severity reduced by reducing rate to < 500 mg/hr and premedication with H1-antagonists ref : kd tripathi 8th ed', 'role': 'assistant'}]