This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: AIIMS 2018, Subject name: Medicine
Which of the following drugs is not used in management of rheumatoid ahritis? 
Select and explain. 
A. Etanercept, B. Leftunomide, C. Febuxostat, D. Methotrexate
C: Febuxostat
Answer: C: Febuxostat 
Explanation: Febuxostat- hypouricemic agent It can be used in patient of chronic kidney disease where probenecid cannot be used Probenecid used in under excretion in chronic gout. Chronic Gout: under excreter (Probenecid/Febuxostat)