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. Chloroquine peak plasma concentrations Chloroquine and primaquine combination Plaquenil cause menstrual cycle Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking Plaquenil and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking hydroxychloroquine and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes. Call your doctor at once if you have Nausea & diarrhea – Plaquenil agrees with most people. Rarely it can cause an upset stomach or diarrhea. Skin rash – Plaquenil can rarely cause a rash. Patients who experience this rare side effect should stop taking this medicine and contact their doctor. Headaches – Plaquenil can rarely cause a headache. 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. Rash from taking plaquenil I had a skin rash from plaquenil hydroxychloroquine. I was., Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Hydroxychloroquine eyeIs there an interaction between tindamax and plaquenilPlaquenil and face rashChloroquine clinical trials gliomaPlaquenil whorl keratopathy After many years on plaquenil, I got the tinnitus. I agree it was much worse at night and would wake me up. We cut back my dose. I also got a rash from plaquenil when I went out in the sun. Funny, when I was taking name brand plaquenil, I didn't seem to have any problems, but it got too pricey for my budget. Plaquenil --rash.. Plaquenil – RheumInfo. Terrible Itching on Plaquenil---PLEASE HELP.. Do not take more or less of it or take it more often than prescribed by your doctor. If you are taking hydroxychloroquine for symptoms of rheumatoid arthritis, your symptoms should improve within 6 months. If your rheumatoid arthritis symptoms do not improve, or if they worsen, stop taking the drug and call your doctor. Rashes is found among people who take Plaquenil, especially for people who are female, 60+ old, have been taking the drug for 1 month, also take medication Enbrel, and have Pain. This study is created by eHealthMe based on reports of 48,911 people who have side effects when taking Plaquenil from Food and Drug Administration FDA, and is. Yes. Hair bleaching, hair loss, skin pigmentation, rash and itching are recognized skin adverse reactions of plaquenil hydroxychloroquine. These reactions tend to be worse if a patient is taking other medications that have similar skin toxicity. Please consult a dermatologist to ensure skin lesions are not psoriatic because Plaquenil hydroxychloroquine use needs special precautions in.