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. What is chloroquine Hydroxychloroquine for sjogrens Can i take ibuprofen with hydroxychloroquine Many people using this medication do not have serious side your doctor immediately if any of these unlikely but serious side effects occur arm/leg/back pain, fast heartbeat, hair loss/color change, mental/mood changes e.g. anxiety, depression, hallucinations, ringing in the ears/hearing loss, worsening of skin conditions e.g. psoriasismedication may infrequently cause serious sometimes permanent eye problems or muscle damage, especially if you take it for a long time. Visual changes and loss of vision are potential hydroxychloroquine side effects, although they most commonly occur in individuals who have taken high doses of hydroxychloroquine for long periods. Physicians will generally recommend an eye exam every six months for patients taking hydroxychloroquine long-term. Some side effects of hydroxychloroquine 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. 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. Plaquenil visual side effects Plaquenil Side Effects on Your Eyes and Vision, Hydroxychloroquine Plaquenil Success, Reviews and Side. Chloroquine phosphate dosage aquariumPlaquenil and aravaIs plaquenil an immunosuppressant medication Cardiac Effects, including Cardiomyopathy and QT prolongation Postmarketing cases of life-threatening and fatal cardiomyopathy have been reported with use of Plaquenil as well as with use of chloroquine. Patients may present with atrioventricular block, pulmonary hypertension, sick sinus syndrome or with cardiac complications. Plaquenil - FDA prescribing information, side effects and uses. Hydroxychloroquine Side Effects Common, Severe, Long Term.. Plaquenil Uses, Dosage & Side Effects -. The incidence of corneal changes and visual side effects appears to be considerably lower with hydroxychloroquine than with chloroquine. Retina Macula Edema, atrophy, abnormal pigmentation mild pigment stippling to a "bull's-eye" appearance, loss of foveal reflex, increased macular recovery time following exposure to a bright light photo. RARE side effects A Change In Vision. Acquired Chromatopsia, A Change In Color Vision. Irritability. Loss Of Muscle Coordination. Low Energy. Mood Changes. Muscle Tremors. Muscle Weakness. Nightmares. Nystagmus, A Condition With Involuntary Eye Movements. Ringing In The Ears. Sensation Of. Hydroxychloroquine Plaquenil is a very useful drug to treat Rheumatoid Arthritis and Lupus but it can have some significant visual side effects unless properly dosed and monitored. What can Hydroxychloroquine Plaquenil do to my eyes?