Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. American academy of ophthalmology plaquenil guidelines Sigma chemical chloroquine phosphate Hydroxychloroquine Sulfate Chloroquine Phosphate. Hydroxychloroquine Sulfate and Chloroquine Phosphate are antimalarial drugs found to be useful in the treatment of autoimmune diseases like discoid and systemic lupus erythematosus, rheumatoid arthritis and juvenile chronic arthritis, chronic cutaneous vasculitis. Nov 09, 2018 Common side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or. hair loss. Get emergency medical help if you have signs of an allergic reaction hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina. Hydroxychloroquine may also be used for purposes not listed in this medication guide. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Side effect of hydroxychloroquine sulfate Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis., Hydroxychloroquine - Side Effects, Dosage, Interactions. Ocular side effects of chloroquine therapyHow dispose of chloroquine safelyChloroquine histamineRetail cost of plaquenilSymptoms of eye side effects from plaquenil Sep 13, 2019 Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine Incidence not known Blistering, peeling, loosening of the skin Hydroxychloroquine Side Effects Common, Severe, Long Term.. Plaquenil, Plaquenil Sulfate, Quineprox hydroxychloroquine.. RA and Hydroxychloroquine How Effective is it for Rheumatoid.. Hydroxychloroquine Sulfate “ This med has helped with my pain but I have developed a rash since using it. I am concerned about the possible side effects on eyes. Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria. Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The more common side effects that can occur with hydroxychloroquine include headache. dizziness. diarrhea. stomach cramps. vomiting.