One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine (Plaquenil), a chloroquine derivative. It is used to treat many diseases including malaria, rheumatoid arthritis and systemic lupus erythematosus. Maleria medicine and other uses plaquenil Does plaquenil help infertility Is chloroquine still used to treat malaria Utterback’s rheumatologist also referred her to neuro-ophthalmologist David Katz, MD, in Bethesda, Md. “We don’t know which patients might develop Plaquenil retinopathy, but the patient often can see it before the doctor can,” he says. Here are some important warning signs PLAQUENIL film-coated tablets cannot be divided, therefore they should not be used to treat patients who weigh less than 31 kg. For radical cure of P. vivax and P. malariae infections, concomitant therapy with an 8-aminoquinoline compound is necessary. Retinopathy has been reported to be higher when the maintenance dose is exceeded. Use For lupus erythematosus chronic discoid and systemic in patients who have not responded satisfactorily to drugs with less potential for serious side effects. Usual Adult Dose for Rheumatoid Arthritis It is imperative that patients and physicians are aware of and watch for this drug’s ocular side effects. Retinal toxicity from hydroxychloroquine is rare, but even if the medication is discontinued, vision loss may be irreversible and may continue to progress. Maculopathy plaquenil Plaquenil-Induced Toxic Maculopathy - Decision-Maker PLUS, Plaquenil Dosage Guide - How long does plaquenil take to work Diagnosis Hydroxychloroquine-induced retinal toxicity Discussion. Chloroquine CQ and hydroxychloroquine Plaquenil HCQ have been used for many years, initially for the treatment of malaria but now more commonly for the treatment of inflammatory diseases such as rheumatoid arthritis and lupus 1. It is now considered for new disease applications in diabetes, heart disease and adjunct cancer therapies 2. Hydroxychloroquine Plaquenil Toxicity and.. Hydroxychloroquine Dosage Guide with Precautions -. Chloroquine And Hydroxychloroquine Toxicity - StatPearls.. Hydroxychloroquine Plaquenil; HCQ has been an important and effective drug for the treatment of lupus erythematosus and related autoimmune and inflammatory diseases for half a century, although its potential to cause retinal damage continues to raise concern among rheumatologists and ophthalmologists. In some people, Plaquenil can cause a condition called hydroxychloroquine retinopathy, often referred to as bulls-eye maculopathy. The condition sometimes resembles a target, or bulls-eye ring, on the retina surrounding the macula. The Shiley Eye Institute is the only academic institution in the San Diego area with comprehensive programs for the clinical care of patients with eye disorders, cutting edge research on surgical techniques and treatments of eye diseases, education in the field of ophthalmology and innovative outreach to the community.