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. Monitoring hydroxychloroquine Plaquenil dosage for dermatomiositis What Is Plaquenil? 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. Plaquenil is available in generic form. What Are Side Effects of Plaquenil? Chloroquine phosphate tablets should not be used in these conditions unless the benefit to the patient outweighs the potential risks. Usage in Pregnancy Usage of Chloroquine during pregnancy should be avoided except in the prophylaxis or treatment of malaria when the benefit outweighs the potential risk to the fetus. Review of side effects and toxicity of chloroquine / by H. Weniger. View/ Open. Effect of four different types of single-dose treatment with chloroquine and with chloroquine and pyrimethamine on Plasmodium falciparum infections in a semi-immune population in northern Nigeria. 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. Chloroquin toxicity Chloroquine - FDA prescribing information, side effects., Chloroquine - FDA prescribing information, side effects and uses Using chloroquine in display reef tankWhat happens when yoou stop taking hydroxychloroquine abruptlyHydroxychloroquine 200 mg oral tabPlaquenil cost goodrx CHLOROQUINE is widely prescribed for the prevention and treatment of malaria, rheumatoid disease, and lupus erythematosus. Thus, opportunities for its accidental ingestion in children1 and for its. Treatment of Severe Chloroquine Poisoning NEJM. Review of side effects and toxicity of chloroquine / by H.. Chloroquine and Hydroxychloroquine • LITFL • Toxicology.. This article is from June 2011 and may contain outdated material. Download PDF. Many systemic medications may cause retinal toxicity. One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. Chloroquine has a very high volume of distribution, as it diffuses into the body's adipose tissue. Chloroquine and related quinines have been associated with cases of retinal toxicity, particularly when provided at higher doses for longer times. Chloroquine and hydroxychloroquine both belong to the quinolone family and share similar clinical indications and side effects, including retinal toxicity. Chloroquine-induced retinal toxicity was first described in 1959 and the retinal toxic effects of hydroxychloroquine were later described in 1967 3, 4.