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 arthritis symptoms Plaquenil davis Oct for plaquenil icd10 Plaquenil drug interaction cymbalta Comment Plaquenil is the devil! Worked well 1st 2 mts. After that I had issues with my vision, felt waves of nervousness, and extreme anxiety where I started to question my sanity. Hallucinated, broke out in rashes and crying spells. Common side effects linked to Plaquenil include nausea and diarrhea. Taking the medication with food eases nausea for most people taking the drug. Less common side effects include skin rashes, hair thinning, and weakness. Aug 14, 2017 Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. 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 knee side effects Protecting your eyesight when taking Plaquenil Lupus., Taking Plaquenil for Rheumatoid Arthritis Is hydroxychloroquine sulphate a steroidMechanism of action hydroxychloroquineDwarflionfish and chloroquine Hydroxychloroquine typically is very well tolerated. Serious side effects are rare. The most common side effects are nausea and diarrhea, which often improve with time. Less common side effects include rash, changes in skin pigment such as darkening or dark spots, hair changes, and muscle weakness. Hydroxychloroquine Plaquenil. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. PLAQUENIL" Osteoarthritis Community - Support Group. Serious Side Effects of Plaquenil. If you are taking Plaquenil long-term, such as for an autoimmune condition, your doctor should regularly check you for potential serious side effects. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Our Plaquenil hydroxychloroquine Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.