Mefloquine is contraindicated with -: (A) Quinine, (B) Atenolol, (C) Enalapril, (D) Verapamil
Answer is A. Ans. is 'a' i.e., Quinine o Halofantrine or quinidine/quinine given to patients who have received mefloquine cause QTc lengthening -cardiac arrest may occur.