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 letter Hydroxychloroquine long term side effects You use aralen for what Jul 26, 2017 Rheumatoid Arthritis May Be Impacting Your Brain Fog The autoimmune disorder has been connected with trouble thinking clearly and remembering tasks. By Maureen Donohue, Contributor July 26, 2017 Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. 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. 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. Cognative issues plaquenil Connective Tissue Disease Symptoms Treatment & Prognosis., Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria Plaquenil generic side effectsChloroquine vs hydroxychloroquinePlaquenil maculopathy symptomsTaking two plaquenil instead of 1.5Is hydroxychloroquine sulfate an immune suppressing drug Apr 10, 2019 Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Plaquenil Uses, Dosage & Side Effects -. Hydroxychloroquine Plaquenil. Multiple Sclerosis & Impaired Thinking - Cleveland Clinic. Feb 19, 2020 Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. What Are Side Effects of Plaquenil? Common side effects of Plaquenil include. nausea, vomiting, stomach pain or cramps, loss of appetite, weight loss, diarrhea, dizziness, spinning sensation, headache, Find information about common, infrequent and rare side effects of Plaquenil Oral. 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.