This includes questioning the safety of topical products -- such as sunscreens -- over fear that they may cause birth defects. Haglund's syndrome is an inflammatory condition that could affect the area around your heel, where a small fluid-filled sac, called a bursa, allows the Achilles' tendon to slide smoothly over the bony ridge of your calcaneus (heel bone). Synthesis of chloroquine phosphate High cost of hydroxychloroquine Hydroxychloroquine qt prolongation Plaquenil and cold medicine 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. In rare cases, hydroxychloroquine can cause visual changes or loss of vision. Such vision problems are more likely to occur in individuals taking high doses for many years, individuals 60 years or older, or those with significant kidney disease. At the recommended dose, development of visual problems due to the medication is rare. If you are taking Plaquenil to treat an inflammatory condition or malaria, you should be aware of the side effects that may occur to your eyes and vision. Plaquenil hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Plaquenil is the brand name for the prescription drug hydroxychloroquine. Does hydroxychloroquine cause health problems Hydroxychloroquine Oral Route Side Effects - Mayo Clinic, Hydroxychloroquine Plaquenil Hydroxychloroquine side efectsHow does plaquenil make you feelIc hydroxychloroquineVisual fields in chloroquinePlaquenil and beer Hydroxychloroquine Plaquenil was originally used to treat malaria and is now used mostly to treat rheumatological and dermatological diseases. Its most frequent use now is for Rheumatoid Arthritis RA and Lupus and is often very effective in mitigating the joint and arthritic symptoms these diseases can cause. What can Hydroxychloroquine Plaquenil do to my eyes?. Plaquenil Side Effects on Your Eyes and Vision. Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs.. RA can cause significant health problems if not treated. Two especially dangerous concerns are inflammation around the lining of your heart, which is known as pericarditis, and pleurisy, which is damage or inflammation around your lungs. RA can raise the risk of stroke, heart failure, and atrial fibrillation. Getting the Most Out of Your Benefits Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria. Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. It can reduce skin problems in lupus and prevent swelling/pain in. You may report side effects to Health Canada at 1-866-234-2345. Hydroxychloroquine may cause a condition that affects the.