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 citalopram use cause qt prolongation Plaquenil and radiation therapy toxiciy Jul 02, 2012 In the cases of choroidopathy and retinopathy, ophthalmic findings can be a poor prognostic systemic risk factor with the potential for both ophthalmic and systemic morbidity. For this reason, treatment typically involves a considered assessment of both the systemic and ophthalmic findings in determining the proper therapy and duration of. Hydroxychloroquine may cause some people to be agitated, irritable, or display other abnormal behaviors. It may also cause some people to have suicidal thoughts and tendencies, or to become more depressed. If you or your caregiver notice any of these side effects, tell your doctor right away. This medicine may cause hypoglycemia low blood sugar. 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. 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. Opthalmologic complication of hydroxychloroquine Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses, Hydroxychloroquine Oral Route Precautions - Mayo Clinic Natural remedies for mold in your body heavy metals chloroquineRetinal damage from plaquenilPlaquenil and mouth sores What Conditions Does This Treat? Originally, hydroxychloroquine was used to prevent and treat malaria and was considered very effective. Now it is generally used for rheumatoid arthritis, but it has also been shown to work well for juvenile arthritis, some lupus symptoms, and other types of autoimmune conditions. RA and Hydroxychloroquine How Effective is it for Rheumatoid.. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. Hydroxychloroquine HCQ Arthritis Society. Mar 02, 2018 The new guideline on screening for hydroxychloroquine and chloroquine retinopathy is written in response to evidence from the United States that shows that hydroxychloroquine retinopathy is more common than previously recognised. Implementation of the guideline’s recommendations will prevent iatrogenic visual loss. The new guideline also makes recommendations regarding the techniques and. This article is from June 2011 and may contain outdated material. Download PDF. Many systemic medications may cause retinal toxicity. One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. Sep 13, 2019 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.