One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine (Plaquenil), a chloroquine derivative. It is used to treat many diseases including malaria, rheumatoid arthritis and systemic lupus erythematosus. Imuran plaquenil together How does plaquenil help How does hydroxychloroquine sulfate work for arthritis Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Symptoms of overdose may include. The characteristics of patients which may increase of developing toxicity symptoms while taking Plaquenil include an age of more than 60 years old, having renal or hepatic insufficiency or any existing macular degeneration and retinal disease 1. Signs and Symptoms 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. It is imperative that patients and physicians are aware of and watch for this drug’s ocular side effects. Retinal toxicity from hydroxychloroquine is rare, but even if the medication is discontinued, vision loss may be irreversible and may continue to progress. Plaquenil overdose symptoms Hydroxychloroquine Oral Uses, Side Effects, Interactions., Plaquenil Toxicity - Symptoms, Treatment, Risk Factors. Therapeautic dose of plaquenil for lupus Symptoms of overdose. Drowsiness dry mouth increased thirst loss of appetite mood changes no pulse or blood pressure numbness or tingling in the hands, feet, or lips unconsciousness Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. Plaquenil Side Effects Common, Severe, Long Term -. The Risk of Retinal Toxicity with Plaquenil. Our patient demonstrates the importance of using the new recommended screening tools for the detection of early hydroxychloroquine toxicity. 10-2 HVF, SD-OCT, autofluorescence, or mfERG might have detected the hydroxychloroquine retinal toxicity on the day of her presenting symptoms and possibly earlier, potentially limiting the amount of. It is available in 200 mg tablets of hydroxychloroquine phosphate each containing 155 mg of hydroxychloroquine. 1 Although commonly used in the treatment of rheumatologic diseases, it is a rare source of overdose in the United States. However, life-threatening symptoms can occur within an hour of ingestion. What Is Plaquenil? Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. What Are Side Effects of Plaquenil?