This medicine is also sometimes given off-label to help the following conditions: Also, let your doctor know if you drink large amounts of alcohol before starting on this medicine. Your doctor will probably want to order frequent tests to check your body's response to chloroquine. Sulfasalazine and plaquenil Plaquenil for lgl The dosage of chloroquine phosphate is often expressed in terms of equivalent chloroquine base. Each 250 mg tablet of chloroquine phosphate is equivalent to 150 mg base and each 500 mg tablet of chloroquine phosphate is equivalent to 300 mg base. Both adults and children should take one dose of chloroquine per week starting at least 1 week before. traveling to the area where malaria transmission occurs. They should take one dose per week while there, and for 4 consecutive weeks after leaving. The weekly dosage for adults is 300mg base 500mg salt. Malaria Information and Prophylaxis by Country; Country Areas with Malaria Drug Resistance 2 Malaria Species 3 Recommended Chemoprophylaxis 4 Key Information Needed and Helpful Links to Assess Need for Prophylaxis for Select Countries; Democratic Republic of the Congo Congo-Kinshasa All Chloroquine P. falciparum 90%, P. ovale 5%, P. vivax rare Let your healthcare provider know if your symptoms either don't improve or worsen while taking this medicine. Keep all appointments with your doctor and laboratory. Chloroquine prophylaxis dosage Aralen Chloroquine Uses, Dosage, Side Effects., Medicines for the Prevention of Malaria While Traveling. Faf in plaquenil toxicityPlaquenil and rapid heartbeatPsoriasis and plaquenil Dose equivalence and conversion. Doses expressed as chloroquine base. Each tablet contains 155 mg of chloroquine base equivalent to 250 mg of chloroquine phosphate. Syrup contains 50 mg/5 mL of chloroquine base equivalent to 80 mg/5 mL of chloroquine phosphate. CHLOROQUINE Drug BNF content published by NICE. Malaria Information and Prophylaxis, by Country D - CDC. Chloroquine Dosage & Rx Info Uses, Side Effects. Ongoing treatment 500mg chloroquine salt 300mg base taken once weekly. Post-exposure prophylaxis Loading dose 1000mg of chloroquine salt 600mg base taken at 0-hours, 24-hours, and then 500mg of chloroquine salt 300mg base at 48-hours. Ongoing treatment 500mg chloroquine salt 300mg base taken daily for 12 days. What Is the Chloroquine Dosage for Preventing Malaria? The usual dosage for malaria prevention in adults is 500 mg once a week. The chloroquine dose in children is based on the child's weight. Children either receive about 8.3 mg per kg of body weight about 3.8 mg per pound of body weight or the adult dose, whichever is less. Usual Adult Dose for Malaria Prophylaxis. Suppression 400 mg 310 mg base orally on the same day every week Comments-Suppressive therapy should begin 2 weeks prior to exposure; however, failing this, an initial dose of 800 mg 620 mg base may be taken in 2 divided doses 6 hours apart.