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. Chloroquine atovaquone Plaquenil and easy bruising Plaquenil guidelines 2019 Common side effects include vomiting, headache, changes in vision and muscle weakness. Severe side effects may include allergic reactions. 1 It does not appear to be safe during pregnancy. 3 Although they are uncommon, Plaquenil has side effects that may affect your eyes. Plaquenil and Your Eyes In some people, Plaquenil can cause a condition called hydroxychloroquine retinopathy, often referred to as bulls-eye maculopathy. Plaquenil Hydroxychloroquine belongs to a group of medications known as anti-inflammatories and antimalarials. It is used alone or in combination with other anti-arthritic medications to treat rheumatoid arthritis. It helps to reduce pain, stiffness, and swelling in joints. 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 effects to plaquenil Plaquenil Indications, Side Effects, Warnings -, Plaquenil Side Effects on Your Eyes and Vision Aralen tabletasPlaquenil price singaporeManufacturer coupons for hydroxychloroquineChloroquine hydrochloride Sep 13, 2019 For the Consumer. Continuing ringing or buzzing or other unexplained noise in the ears. feeling of constant movement of self or surroundings. irritability. nausea. nervousness. nightmares. sensation of spinning. shakiness and unsteady walk. uncontrolled eye movements. unsteadiness, trembling, or. Plaquenil Side Effects Common, Severe, Long Term -. Plaquenil - Uses, Side Effects, Interactions -. Hydroxychloroquine Side Effects Common, Severe, Long Term.. 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. 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. Check with your health care professional if any of the following side effects continue or are bothersome. Plaquenil, widely used to treat lupus, rheumatoid arthritis and other inflammatory and dermatologic conditions, is very effective, and “the risk of toxicity in the first five years for someone without special risk factors is very low,” Dr. Marmor said. However, risk increases with duration of use.