The term lupus fog means more than memory problems. It also refers to cognitive difficulties, such as trouble helping your child with homework, or writing a grocery list. Plaquenil cardiac Ldn instead of plaquenil I also have memory trouble,it scares me because my Mother in law has alzheimer's. I am not on anything right now, but I was on prednisone, methotrexate,arava,plaquenil and had to go off because of side she Dr. wants to put me on Humarra,etc. Loss of appetite; mood changes; no pulse or blood pressure; numbness or tingling in the hands, feet, or lips; unconsciousness; Some side effects of hydroxychloroquine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Plaquenil caused a loss of appitite and weight loss for me. Both times I started taking it, the first time it was so serious I had to stop taking it. Started again several years later when I flared again and had loss of appitite and weight loss but a bit more moderate. She's now collaborating on a web site and vocational program designed to help others with the condition. "It can really make your whole world fall apart," says Janet Foley Orosz, Ph D, a public policy expert in Ohio who has struggled with lupus fog for almost 20 years. Plaquenil memory loss Pulmonary Fibrosis - Cleveland Clinic, Plaquenil Side Effects Common, Severe, Long Term - Plaquenil and ativan Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Plaquenil & Weight Gain/Loss -. Hydroxychloroquine Side Effects Common, Severe, Long Term -. Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria 2. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. According to the Mayo Clinic, it can take up to six months' constant use before an effect is seen in RA 1. While some patients report that Plaquenil causes Memory Loss, others say it doesn't. The manufacturer's product labeling should always be consulted for a list of side effects most frequently appearing in patients during clinical studies. Talk to your doctor about which medications may be most appropriate for you. Memory Loss 65 Hence, if the loss of appetite and weight loss started after you started on this drug, then yes, it could be due to Plaquenil. However, if you had loss of appetite and weight loss before your started this drug, then the drug can aggravate the process. In this case, the cause of loss f appetite and weight loss has to be found.