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. Chloroquine phosphate usp Hydroxychloroquine copay assistance Find patient medical information for Chloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. One goal of HIV research is to identify new drugs that have fewer side effects. The following side effects were observed in some of the studies of chloroquine listed above. ACTG A5258 NCT00819390 In this study, no chloroquine-related side effects were reported. 4,11. CTN 246 NCT02004314 In this study, no serious side effects related to. What are some other side effects of Chloroquine? All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away Belly pain. Stomach cramps. Not hungry. 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. Adverse effects of chloroquine Adverse Reactions of Chloroquine - Malaria Home Page, Chloroquine Clinical Trials, Side Effects AIDSinfo Hydroxychloroquine dose in sleCost of plaquenil in us Chloroquine phosphate can cause serious vision problems. If you experience any changes in vision, stop taking chloroquine phosphate and call your doctor immediately. Do not let anyone else take your medication. Chloroquine MedlinePlus Drug Information. Chloroquine Indications, Side Effects, Warnings -. Chloroquine Oral Route Side Effects - Mayo Clinic. Chloroquine crosses the placenta, but the potential damage to the mother from malaria is greater than the drug's risk to the fetus. Weekly prophylactic doses appear to have minimal adverse effects when administered during pregnancy. Tell your doctor if any of the following side effects become severe or don't go away Loss of appetite. Mild dizziness. Mild diarrhea. Clumsiness. Mild headache. Nausea or stomach cramps. Hydroxychloroquine is widely used in the treatment of post-Lyme arthritis. It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. Adverse effects. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. The most serious.