It does not work against certain types of malaria (chloroquine-resistant). The United States Center for Disease Control provides updated guidelines and travel recommendations for the prevention and treatment of malaria in different parts of the world. Hydroxychloroquine tablets images Chloroquine phosphate resistant malaria Plaquenil and swollen lymph nodes Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America. 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. 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. This medication is also used, usually with other medications, to treat certain auto-immune diseases (lupus, rheumatoid arthritis) when other medications have not worked or cannot be used. Discuss the most recent information with your doctor before traveling to areas where malaria occurs. Hydroxychloroquine kidney side effects Hydroxychloroquine Uses, Dosage & Side Effects -, Hydroxychloroquine Plaquenil Hydroxychloroquine nightmaresPlaquenil and visionChloroquine toxicity antidoteDoes plaquenil make you tired Aug 26, 2016 Yes, plaquenil is difficult to adjust first, but after the first year of treatment and side effects, the benefits outweigh the problems. So, stick with it. In my opinion, the plaque nil is keeping the immune system regulated and the pain and other symptoms described will reduce. Plaquenil side effects - kidney problems? - Symptoms - Life.. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Plaquenil Oral Uses, Side Effects, Interactions.. 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. Note This document contains side effect information about hydroxychloroquine. 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. 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. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.