This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. For prevention of malaria in adults, one dose is usually taken once a week on exactly the same day of the week. Restarting plaquenil Hydroxychloroquine plaquenil pharmacological drug class Common side effects may include diarrhea, vomiting, stomach cramps; headache; changes in hair or skin color; temporary hair loss; or. mild muscle weakness. Aralen chloroquine phosphate is an antimalarial drug used to treat and to prevent malaria. It is also used to treat infections caused by amoebae. Aralen is available in generic form. Common side effects of Aralen include blurred vision, nausea, vomiting, abdominal or stomach cramps, headache, diarrhea, temporary hair loss, changes in hair color, or The tablets are fine to use, but the downside is you get less “chloroquine base” out of them so you must dose more. The following was taken from Bob Goemans online book, THE LIVING AQUARIUM MANUAL In most cases, 250 mg tablets have an equivalence of 150 mg chloroquine base, and 500 mg tablets have an equivalence of 300 mg chloroquine base. One dose is taken beginning 2 weeks before traveling to an area where malaria is common, while you are in the area, and then for 8 weeks after you return from the area. Your doctor will tell you how many tablets to take for each dose. Chloroquine phosphate 250 mg side effects DailyMed - CHLOROQUINE PHOSPHATE- chloroquine phosphate., Side Effects of Aralen Chloroquine, Warnings, Uses Plaquenil precio mexicoMedication similar to plaquenilHydroxychloroquine step 1Artemisia annua plaquenil Irreversible retinal damage observed in some patients; significant risk factors for retinal damage include daily doses of chloroquine phosphate 2.3 mg/kg of actual body weight, durations of use greater than five years, subnormal glomerular filtration, use of some concomitant drug products such as tamoxifen citrate, and concurrent macular disease. Aralen, Chloroquine phosphate chloroquine dosing.. Chloroquine Phosphate – Marine Fish Diseases and Treatment. Chloroquine Side Effects Common, Severe, Long Term.. Jul 30, 2019 Some side effects of chloroquine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Antacids and kaolin can reduce the absorption of chloroquine; separate by 4 hours. Concomitant use of cimetidine should be avoided. Chloroquine phosphate is calculated as the 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. Check with your doctor as soon as possible if any of the following side effects occur black, tarry stools. blood in urine or stools. convulsions seizures cough or hoarseness. eye pain. feeling faint or lightheaded. fever or chills.