All of the following can aggravate Myasthenia gravis except: (A) Azathioprine, (B) d-Tubocurarine, (C) Tetracycline, (D) Aminoglycoside
Answer is A. Essentials of medical pharmacology, seventh edition, page no 864, Answer is option 1, Azathioprine This antipurine acts by getting conveed to 6-MP,but has more prominent immunosuppresant action. It mainly supresses cell mediated iimmunity and is mainly used in autoimmune diseases like rheumatoid ahritis, myasthenia gravis, ulcerative collitis etc.