It does not work against certain types of malaria (chloroquine-resistant). The United States Center for Disease Control provides updated guidelines and travel recommendations for the prevention and treatment of malaria in different parts of the world. Hydroxychloroquine aoa Hydroxychloroquine and ibuprofen Chloroquine translation Symptoms. In the initial stages of hydroxycloroquine toxicity, patients are often asymptomatic. If they do have symptoms they complain of visual color deficits, specifically red objects, missing central vision, difficulty reading, reduced or blurred vision, glare, flashing lights, and metamorphopsia. The symptoms are often in both eyes. The characteristics of patients which may increase of developing toxicity symptoms while taking Plaquenil include an age of more than 60 years old, having renal or hepatic insufficiency or any existing macular degeneration and retinal disease 1. 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. This medication is also used, usually with other medications, to treat certain auto-immune diseases (lupus, rheumatoid arthritis) when other medications have not worked or cannot be used. Discuss the most recent information with your doctor before traveling to areas where malaria occurs. Plaquenil toxicity symptoms liver Plaquenil Risk Calculators, Plaquenil Toxicity - Symptoms, Treatment, Risk Factors. Plaquenil msChloroquine mitophagyCan plaquenil cause extreme fatiguePlaquenil retinopathy treatmentHydroxychloroquine sulfate scleroderma Although the mechanisms of the two agents are presumed to be the same, many reports suggest that chloroquine is more toxic to the retina than hydroxychloroquine. The toxic dosage for chloroquine was derived from hydroxychloroquine retinal toxicity studies, although no definitive data have shown pharmacologic equivalence. Chloroquine and Hydroxychloroquine Toxicity Practice Essentials.. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Will you have Liver function test abnormal with Plaquenil.. Hydroxychloroquine therapy has not been associated with liver function abnormalities and is an extremely rare cause of clinically apparent acute liver injury. Hydroxychloroquine is a derivative of chloroquine that has both antimalarial and antiinflammatory activities and is now most often used as an antirheumatologic agent in systemic lupus erythematosis and rheumatoid arthritis. What Are Side Effects of Plaquenil? nausea, vomiting, stomach pain or cramps, loss of appetite, weight loss, diarrhea, dizziness, spinning sensation, headache, ringing in your ears, Sep 15, 2014 Symptoms. In the early stages of HCQ retinal toxicity, most of the patients could be asymptomatic. When the first symptoms start to appear their complaints are the following trouble with reading, diminished color vision, fine visual alteration due to the central or paracentral scotoma. Signs. Biomicroscopy eye exam slip lamp examination.