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. Can i take eyebright with plaquenil Plaquenil and tonsil swelling Plaquenil and other antimalarials are the key to controlling lupus long-term, and some lupus patients may be on Plaquenil for the rest of their lives. For this reason, you can think of antimalarials as a sort of “lupus life insurance.” Brain fog is a less well-known symptom of rheumatoid arthritis RA. People with RA may have difficulty concentrating, or they may have memory problems. Learn about the link between RA and brain. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine may cause some unwanted effects. 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 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 brain fog Plaquenil and Brain Fog / Memory Issues / Anti RNP DailyStrength, Brain fog and rheumatoid arthritis What is the link? Plaquenil vs hydroxycholorquine sulfatePlaquenil manufacturer meloxicamInteraction plaquenil and acetimenophinChloroquine cytotoxic hemozoin falicparumDiscoid lupus treatment plaquenil Find user ratings and reviews for Plaquenil oral on WebMD including side effects and drug interactions, medication effectiveness, ease of use and satisfaction Plaquenil oral Reviews and User Ratings Effectiveness, Ease of Use.. Hydroxychloroquine Side Effects Common, Severe, Long Term -. Plaquenil Hydroxychloroquine for Lupus - LupusCorner. Rheumatoid Arthritis May Be Impacting Your Brain Fog The autoimmune disorder has been connected with trouble thinking clearly and remembering tasks. I just started on the plaquenil last week, and I know the brain fog was pants before but now I'm starting to scare myself; I keep starting projects and then realising I've forgotten steps or misplaced. I was on Plaquenil for Lupus since 1990 until I loss vision in my right eye six months ago, to me it was a miracle drug and I wish I could still take it. Brain fog I didn't really get until I was diagnosed with Fibromyalgia in 1995.