The dose of Digoxin should be reduced when given along with -: (A) Quinidine, (B) Rifampicin, (C) Indomethacin, (D) Antacids
Answer is A. Ans. is 'a' i.e., Quinidine Quinidine reduces binding of digoxin to tissue proteins as well as its renal/biliary clearance. Its plasma concentration is then doubled and toxicity may occur if dose is not reduced.