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. Stomach pain from plaquenil Metoprolol and hydroxychloroquine Hydroxychloroquine and fasting Nov 28, 2010 Plaquenil reduces inflammation in many Rheumatic disorders, the mode of action is pretty complicated though so I shan't bore you with all the details, but basically it prevents your dendritic cells these are messengers for your immune system, if you will from interacting with your T-Cells a special type of white blood cell which through a convoluted and boring process, causes inflammation when an infection is found, and these basically malfunction with inflammatory disorders. Plaquenil needs time to build up in your system. As with any AI, you can a remission or a change in the symptoms you feel from day to day, week to week, etc. I know for me I have what I call "good days" and I have "bad days". This is a reivew of how effective Plaquenil hydroxychloroquine sulfate is for Inflammation and for what kind of people. The study is created by eHealthMe from 5 Plaquenil users and is updated continuously. eHealthMe has been monitoring drugs and supplements since 2008. 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. How does plaquenil work in the body Plaquenil Uses, Dosage & Side Effects -, How does Plaquenil work? Do i need to take folic acid with plaquenil Here are some of the ways in which Plaquenil is used to control lupus symptoms May prevent lupus flares by as much as 50%. Reduce muscle and joint pain. Reduce lupus related rashes. Protect against pleuritis inflammation of the lining of the lungs. Protect against pericarditis inflammation. Plaquenil What You Need to Know - Kaleidoscope Fighting Lupus. How effective is Plaquenil for Inflammation by duration.. PLAQUENIL" Rheumatoid Arthritis Community - Support Group. Plaquenil is the brand name for the prescription drug hydroxychloroquine. 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. Re Plaquenil - Can It Work Quickly? I tried to get on Plaquenil years ago, and couldn't tolerate it, but now I'm thinking there might be a lessor dose I should try. I'm new to the area, so don't have a rheumy yet. Mar 07, 2012 Hydroxychloroquine Plaquenil has a half life in blood of 50 days and in plasma 32 days. It's great that you know the side effects and adverse side effects of this medication. You said you have an anxiety disorder, caution should be used when prescribing patients taking antipsychotic or antidepressant medications some physicians use these medications to also treat anxiety.