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. Uronema chloroquine phosphate Hydroxychloroquine chemo Hydroxychloroquine sulfate tablets usp Note This document contains side effect information about hydroxychloroquine. Some of the dosage forms listed on this page may not apply to the brand name Plaquenil. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. If you miss a dose, take the missed dose as soon. Ventricular arrhythmias and torsade de pointes have been reported with the use of hydroxychloroquine. Tricyclic antidepressants share pharmacologic properties similar to the Class IA antiarrhythmic agents and may prolong the QT interval, particularly in overdose or with higher-dose prescription therapy elevated serum concentrations. 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. Can you overdose on plaquenil Plaquenil Overdose - Antibiotics Home Page, Hydroxychloroquine Side Effects, Dosage, Uses, and More Clinical trials cancer chloroquineHigh risk drug use icd 10 plaquenil Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Alcohol or marijuana can make you. Plaquenil Oral Uses, Side Effects, Interactions, Pictures, Warnings.. Plaquenil hydroxychloroquine sulfate dose, indications, adverse.. Plaquenil Oral Uses, Side Effects, Interactions.. Children can be especially sensitive to an overdose, so keep the medication out of the reach of children. Children should not take hydroxychloroquine for long-term therapy. Keep all appointments with your doctor and the laboratory. Your doctor may order certain lab tests to check your response to hydroxychloroquine. Plaquenil ® Last. Sep 27, 2013 Medications can interact with certain foods. In some cases, this may be harmful and your doctor may advise you to avoid certain foods. In the case of hydroxychloroquine, there are no specific foods that you must exclude from your diet when receiving this medication. An overdose of hydroxychloroquine can be fatal, especially in children. Hydroxychloroquine overdose must be treated quickly. You may be told to induce vomiting right away at home, before transport to an emergency room. Ask the poison control center how to induce vomiting in the case of an overdose.