Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Plaquenil and nsaids Plasmodium vivax trophozoites insensitive to chloroquine Chloroquine phosphate tablet ip 250 mg Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as. CMR may serve as an increasingly important diagnostic modality in antimalarial cardiotoxicity for a number of reasons. Firstly, it is the reference standard for the assessment of LV and RV function and morphology, the latter also commonly abnormal in antimalarial cardiotoxicity. 7,11 –13,17,18 Secondly, CMR also plays a primary role in the exclusion of differential diagnoses. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Plaquenil and rapid pulse Atrial Fibrillation, Hydroxychloroquine, and Lupus., Plaquenil Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs Can plaquenil can tooth decayMoa of plaquenilHydroxychloroquine making sunlight painfulHydroxychloroquine side effects acneChloroquine phosphate tablets ip 250 Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Plaquenil Oral Uses, Side Effects, Interactions.. Hydroxychloroquine cardiotoxicity presenting as a rapidly evolving.. Hydroxychloroquine cardiotoxicity presenting as a rapidly.. PLAQUENIL hydroxychloroquine sulfate tablets is indicated for the treatment of rheumatoid arthritis, and discoid and systemic lupus erythematosus, in patients who have not responded satisfactorily to drugs with less potential for serious side effects. Dosage for Plaquenil. The adult dose of Plaquenil to suppress malaria is 400 mg on the same day each week. The pediatric weekly suppressive dosage is 5 mg/kg of body weight. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days. Lupus and rapid heart rate. I'm taking plaquenil and was on methotrexate but the dr. stopped that and we 're waiting on labs to start Imuron? This has been going on for 3 or 4 months. I've been treated for pericarditis with steroid taper since this all started but the rapid heart rate and chest pain continues.