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, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Chloroquine-treated case of plasmodium vivax What is chloroquine base Plaquenil and low white blood count Several risk factors may increase the likelihood of retinal toxicity from Plaquenil such as, age of greater than 60 years, daily dose more than 6.5 mg/kg; use of the drug more than 5 years, obesity, preexisting retinal disease and, renal or liver failure. Discussion. A risk factor for Plaquenil hydroxychloroquine retinotoxicity is a daily dose that exceeds 5.0 mg of drug per kg of body weight. The tool on the right simply calculates this threshold based on a patient’s real body weight. It’s important to understand that the daily dose is only one risk factor for plaquenil retinotoxicity. Once thought to be safe at a daily dose of 6.5mg/kg/day 16, newer studies show that many years of hydroxychloroquine treatment at a "safe dose" can still lead to toxicity 6. Newer guidelines state that daily dose 5mg/kg of real weight/day can lead to toxicity. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. What is toxic dose of plaquenil Hydroxychloroquine And Chloroquine Screening 2016 AAO., Plaquenil Risk Calculators Plaquenil candida Medscape - Indication-specific dosing for Plaquenil hydroxychloroquine sulfate, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Plaquenil hydroxychloroquine sulfate dosing, indications.. Hydroxychloroquine Plaquenil Toxicity and.. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Daily Plaquenil Dosage - Crunching Numbers NOTE I've moved this blog post to my professional website, EyeDock. More importantly, I've written an update, Changes in Plaquenil Risk Calculations based on new recommendations based on a 2014 study. How to use Plaquenil. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage is also based on weight. The Hydroxychloroquine Dosing Calculator calculates appropriate daily dose of hydroxychloroquine. Calc Function ; Calcs that help predict probability of a disease Diagnosis. Subcategory of 'Diagnosis' designed to be very sensitive Rule Out. Disease is diagnosed prognosticate to guide treatment Prognosis.