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. Ocular side effects hydroxychloroquine Plaquenil side effects eye pain Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. BRAND NAMES Plaquenil. Medication Uses How To Use Side Effects Precautions Drug Interactions Overdose Notes Missed Dose Storage. USES Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria chloroquine-resistant. 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. Is plaquenil a blood thinner Plaquenil - Uses, Side Effects, Interactions -, Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Plaquenil cause dizziness after 2 yearsTylenol and hydroxychloroquineSle plaquenil with methotrexatePlaquenil chemotherapyC an u take plaquenil if u have an infection No pulse or blood pressure; numbness or tingling in the hands, feet, or lips; unconsciousness; 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. Plaquenil Side Effects Common, Severe, Long Term -. HYDROXYCHLOROQUINE - ORAL Plaquenil side effects.. Is plaquenil a blood thinner - Doctor answers on.. There is no Blood clots reported by people who take Plaquenil yet. This review analyzes which people have Blood clots with Plaquenil. It is created by eHealthMe based on reports from Food and Drug Administration FDA, and is updated regularly. eHealthMe has been monitoring drugs and supplements since 2008. Re APS, will blood thinners affect lab results? I have been taking plaquenil for a while now.supposed to do something.actually nothing for me. I am also on prednisone, and celebrex for some pain relief. In this situation, milder drugs like Plaquenil are prescribed. But if it's "acute", meaning major organs are under attack or certain lab values are wildly off, there are stronger drugs available to arrest damage steroids and immune suppressants. And if APS is present, it's treated with Coumadin a blood thinner.