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. Hydroxychloroquine hcq Chloroquine is chloroform Plaquenil retinal toxicity guidelines 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. Chloroquine Adults 300 mg base 500 mg salt, once/week. Children 5 mg/kg base 8.3 mg/kg salt maximum is adult dose, once/week. Begin 1-2 weeks before travel, once/week during travel, and for 4 weeks after leaving. Some people would rather take medicine weekly; Good choice for long trips because it is taken only weekly 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. 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 Chloroquine Uses, Side Effects & Warnings -, CDC - Malaria - Travelers - Choosing a Drug to Prevent Malaria Hypoglycemia due to maternal plaquenilAssay of chloroquine by non aqueous titrationChloroquine diphosphate useLong term chloroquine prophylaxis 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. Medicines for the Prevention of Malaria While Traveling.. Hydroxychloroquine Dosage Guide with Precautions -. Chloroquine Dosage Guide with Precautions -. Non-chloroquine-resistant. 1 g 600 mg base PO, THEN; 500 mg 300 mg base PO 6-8 hours later, THEN; 500 mg 300 mg base PO at 24 hours & 48 hours after initial dose; Amebiasis, Extraintestinal. 1 g 600 mg base PO qDay for 2 days, THEN. 500 mg 300 mg base qDay for 14-21 days. Porphyria Cutanea Tarda Off-label 125-250 mg 75-150 mg base PO twice weekly Malaria treatment oral To treat malaria in adults, one dose of oral chloroquine is usually given right away. Then, half the dose is taken six to eight hours later. This is typically followed by half the dose once a day for the next two days. Amebiasis treatment oral To treat amebiasis in adults. Take chloroquine at least 2 hours before or after taking ampicillin. Chloroquine may decrease the amount of ampicillin in your body and the ampicillin may not work as well.