Dose of chloroquine for prophylaxis against vivax malaria: September 2012: (A) 150 mg (base) weekly, (B) 300 mg (base) weekly, (C) 600 mg (base) weekly, (D) 900 mg (base) weekly
Answer is B. Ans. B i.e. 300 mg (base) weekly Antimalarial prophylaxis In areas where chloroquine remains effective: Chloroquine 300 to 310 mg once weekly, and Proguanil 200 mg once daily (staed one week before travel, and continued for four weeks after returning)