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 hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Plaquenil and heart rate Massive hydroxychloroquine overdose Plaquenil treatment rheumatoid arthritis Hydroxychloroquine sulfate plaquenil side effects Side Effects. Drug information provided by IBM Micromedex. Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Chloroquine DescriptionChloroquine - Clinical PharmacologyIndications and Usage For ChloroquineContraindicationsWarningsPrecautionsAdverse ReactionsOverdosageChloroquine Dosage and AdministrationHow Is Chloroquine SuppliedReferences Chloroquine passes into breast milk and may harm a breastfeeding baby. Don't breastfeed while taking this drug without first talking to your healthcare provider. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Side effectsof chloroquine Chloroquine Oral Uses, Side Effects, Interactions, Pictures., Chloroquine - FDA prescribing information, side Treatment of cerebral malaria chloroquine 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. Chloroquine Side Effects Common, Severe, Long Term -. Chloroquine Aralen - Side Effects, Dosage,. Side Effects of Chloroquine - Malaria Home Page. Hydroxychloroquine is a quinoline medicine used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Aralen chloroquine is an antimalarial drug used for the treatment of malaria and extraintestinal amebiasis. Common side effects are reduced hearing, tinnitus, nausea, vomiting, and diarrhea. Dosage, drug interactions, and pregnancy and breastfeeding safety are provided. Side effects of antimalarial drug can overlap with malaria symptoms. We evaluated 50 patients with vivax malaria in Mâncio Lima, Acre, treated with chloroquine and primaquine. Patients were evaluated for the presence of 21 symptoms before and after treatment and for reported side effects of these drugs after treatment was started.