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. Plaquenil cardiac side effects Plaquenil toxicity signs and symptoms Mp biomedicals chloroquine What are similar drugs to plaquenil Check with your doctor immediately if any of the following side effects occur Incidence not known. Blistering, peeling, loosening of the skin blurred vision or other vision changes chest discomfort, pain, or tightness cough or hoarseness dark urine decreased urination defective color vision diarrhea difficulty breathing Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. missing/blacked-out areas of vision. Serious side effects and their symptoms can include the following blurred vision or other vision changes. ringing in your ears or hearing loss. angioedema, or rapid swelling of your skin. hives. mild or severe bronchospasm that causes trouble breathing. sore throat. unusual bleeding or. If you notice any other effects, check with your healthcare professional. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: Other side effects not listed may also occur in some patients. Plaquenil vision effects Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria, Plaquenil Oral Uses, Side Effects, Interactions, Pictures, Warnings. Quinacrine chloroquine antimalarialOral chloroquine diMint hydroxychloroquineHow do i get off the drug plaquenilArthritis plaquenil Jun 13, 2019 Some people are at greater risk for retinal damage from the drug Plaquenil. These include people who take the drug for five years or more or at higher doses than recommended. If you intend to take Pla Who Is at Risk for Vision Loss with Plaquenil? - American.. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Plaquenil Side Effects on Your Eyes and Vision. Aug 29, 2014 One of the reasons that physicians feel comfortable in prescribing Plaquenil is its low risk to benefit ratio. This means that the side effects of Plaquenil are mild and infrequent compared with its potential benefits. As with any medication, allergic reactions including skin rashes and non-allergic reactions can occur. Plaquenil and your eyes. A rare side effect of Plaquenil is damage to the eye's retina. The retina is the light-sensitive tissue at the back of the eye. Using Plaquenil for a long period of time may harm the retina, causing serious vision loss. People with retinal damage from Plaquenil are not aware at first that they are losing vision. Retinal toxicity from hydroxychloroquine is rare, but even if the medication is discontinued, vision loss may be irreversible and may continue to progress. It is imperative that patients and physicians are aware of and watch for this drug’s ocular side effects.