An anti-hypeensive drug that causes positive coomb&;s test is: (A) Methyldopa, (B) Clonidine, (C) Hydralazine, (D) Sodium-nitropruside
Answer is A. Alpha-methyldopa causes autoimmune hemolytic anemia Coombs test detects antibodies against foreign red blood cells. (REF. ESSENTIALS OF MEDICAL PHARMACOLOGY K.D TRIPATHI-6th edition. Page No-547)