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. Plaquenil and methotrexate together Hydroxychloroquine nightmares Hydroxychloroquine for lyme arhtritis How To Buy – Chloroquine phosphate CP is an antimalarial drug for humans which also treats external parasites that afflict marine fish and possibly freshwater fish as well. However, there are a few challenges to overcome with CP. How to use Chloroquine Phosphate. Take this medication by mouth, usually with food to prevent stomach upset, exactly as directed by your doctor. Daily or weekly dosing, dosage amount, and length. Chloroquine needs to be taken 1-2 weeks before traveling to an area with malaria, compared to some alternatives that can be taken 1-2 days before. chloroquine is only effective against malaria from certain areas of the world. chloroquine may worsen psoriasis, seizures, hearing problems, and liver conditions. 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 phosphate dosage for adults Chloroquine phosphate REEF2REEF Saltwater and Reef., Chloroquine Phosphate - WebMD Hydroxychloroquine stomach bleedingHydroxychloroquine retinopathy screening guidelinesPlaquenil helps fatiguePlaquenil menstruation disturbanceCellulitis from plaquenil The dose of chloroquine is often expressed or calculated as the base each 500 mg tablet of chloroquine phosphate is equivalent to 300 mg chloroquine base. -The pediatric dose should never exceed the adult dose. Chloroquine Dosage Guide with Precautions -. Compare Plaquenil vs Chloroquine -. Chloroquine - FDA prescribing information, side effects.. The dosage of chloroquine phosphate is often expressed in terms of equivalent chloroquine base. Each 500 mg tablet of ARALEN contains the equivalent of 300 mg chloroquine base. In infants and children the dosage is preferably calculated by body weight. Malaria Suppression — Adult Dose 500 mg = 300 mg base on exactly the same day of each week. Adults weighing 60 kg or more. 1,000 mg 600 mg base PO, then 500 mg 300 mg base PO in 6 to 8 hours, then 500 mg 300 mg base PO once daily for 2 days. Total dose is 2.5 g chloroquine phosphate 1.5 g base in 3 days. The CDC recommends adding primaquine for P. vivax or P. ovale. Dosage and administration. All dosages are described in terms of the base. Treatment. Oral administration. To avoid nausea and vomiting chloroquine should be administered after meals. If part or all of a dose is vomited, the same amount must immediately be readministered. Adults, including pregnant women, and children Total dose 25 mg/kg.