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. Running fevers since going off plaquenil Plaquenil hyperpigmentation Common Side Effects of Chloroquine. 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 Jul 30, 2019 Applies to chloroquine oral tablet. Along with its needed effects, chloroquine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking chloroquine Incidence not known. Anxiety In this study, no serious side effects related to chloroquine were reported. But during the first week of treatment with chloroquine, 1 participant stopped the study because of moderately severe digestive gastrointestinal side effects. 12. Additional information on side effects known to be associated with chloroquine can be found in the FDA-approved Full Prescribing Information for Chloroquine. 5. Because chloroquine is still being studied, information on possible side effects of the drug. 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. Side effects of chloroquine phosphate tablets Is Chloroquine a Cure for Coronavirus? Scientists Tout Drug’s., Chloroquine Side Effects Common, Severe, Long Term - Chloroquine for ra Side Effects Nausea, vomiting, dizziness, stomach upset, and abdominal cramps may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. Remember that your. Primaquine Oral Uses, Side Effects, Interactions, Pictures.. Chloroquine Clinical Trials, Side Effects AIDSinfo. Common and Rare Side Effects for Chloroquine Oral. Since Chloroquine phosphate tablets are known to concentrate in the liver, it should be used with caution in patients with hepatic disease or alcoholism or in conjunction with known hepatotoxic drugs. Central Nervous System Effects Chloroquine may increase the risk of convulsions in patients with a history of epilepsy. Drug Interactions Nov 25, 2019 Common side effects may include diarrhea, vomiting, stomach cramps; headache; changes in hair or skin color; temporary hair loss ; or. mild muscle weakness. If you experience drowsiness, dizziness, hypotension or a headache as side-effects when using Chloroquine Phosphate Tablet medicine then it may not be safe to drive a vehicle or operate heavy machinery. One should not drive a vehicle if using the medicine makes you drowsy, dizzy or lowers your blood-pressure extensively.