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. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Side effects of plaquenil and methotrexate Methotrexate sulfasalazine and hydroxychloroquine All blood work came back "normal", lupus is in remission/ inactive. Yay! Dr stopped Hydroxychloroquine plaquenil yesterday fearing it is now doing more harm than good. Over all I do feel it may have caused increased anxiety and depression and irritability.however lupus alone can trigger those symptoms I'm sure. Some of the dosage forms listed on this page may not apply to the brand name Plaquenil. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. BRAND NAMES Plaquenil. Medication Uses How To Use Side Effects Precautions Drug Interactions Overdose Notes Missed Dose Storage. USES Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria chloroquine-resistant. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Does plaquenil cause depression Is extreme fatigue a side effect of Plaquenil?, Plaquenil Side Effects Common, Severe, Long Term - Plaquenil autoimmuneWhat is plaquenil used for Swinging hypothyroid can cause mood swings, depression and constipation. I took Plaquenil for six years and am really not sure whether I suffered any side effects or not. I think it may have contributed to tinnitus and I came off i9t in case it was contributing to balance issues. Plaquenil causing mood changes and depression?. HYDROXYCHLOROQUINE - ORAL Plaquenil side effects.. Will you have Stress and anxiety with Plaquenil - eHealthMe. Adults. 200 mg 155 mg base to 400 mg 310 mg base PO per day, administered as a single dose or in 2 divided doses. Antimalarials and/or glucocorticoids are of benefit and may be used for the treatment of SLE without major organ manifestations; however, judicious use of hydroxychloroquine is recommended. Major Depression is #139 concern in Plaquenil discussions. Plaquenil is an arthritis medication and an anti infectious agent. Uses Plaquenil is prescribed for Lupus, RA, Sjogren's Syndrome and Joint Pain and is mostly mentioned together with these indications. After several months off of plaquenil, I went back on it, deciding to stick with the 100 mg per day. I have always been very sensitive to meds. Again my fatigue improved and I began to be able to do more. But again- over several months time my anxiety, depression, and sense of distance from personal relationships began to worsen.