Pharmacology Which of the following disease modifying anti-rheumatoid drugs acts by increasing extracellular adenosine? A Leflunomide B Hydroxychloroquine C Azathioprine D Methotrexate 💡 Explanation Which of the following disease modifying anti-rheumatoid drugs acts by increasing extracellular adenosine? ✓ Correct Answer: D. Methotrexate