Plaquenil 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, and Southern Asia. Plaquenil sleeplessness Glioma chloroquine in vivo While this drug is often one that acts quickly, the side effects of prednisone are well-known for being troublesome to patients. Some of the most frequently discussed side effects are weight gain, insomnia, moodiness, hair growth, and acne. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. What Are Side Effects of Plaquenil? Common side effects of Plaquenil include. nausea, vomiting, stomach pain or cramps, loss of appetite, weight loss, diarrhea, dizziness, spinning sensation, headache, Aug 14, 2017 Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Plaquenil sde effect jittery Plaquenil side effects - Scleroderma - Inspire, Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Chloroquine autophagy helaWhat type muscle weakness with plaquenilHydroxychloroquine stomach ulcerIs chloroquine safe in early pregnancyHydroxychloroquine sulfate 200 mg oral tablet 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. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Side Effects of Protonix Pantoprazole, Warnings, Uses. Today, Plaquenil and other antimalarials are also used to treat and help prevent symptoms caused by certain autoimmune diseases such as rheumatoid arthritis RA, systemic lupus erythematosus, and discoid lupus, even though these diseases are not caused by malaria parasites. Side Effects. Drug information provided by IBM Micromedex Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Take Plaquenil with a meal or a glass of milk. To prevent malaria Start taking Plaquenil 2 weeks before entering an area where malaria is common. Continue taking the medicine regularly during your stay and for at least 8 weeks after you leave the area. To treat malaria Plaquenil is usually given for 3 days.