Most importantly, you help support continued development of this site. The majority of cases of retinotoxicity have occurred in patients that have had a cumulative dose exceeding 1000g of hydroxychloriquine (Plaquenil). This level is reached in about 7 years with the most common daily dose of Plaquenil, 400 mg/day (200 bid). Can a person eat grapefruit when taking the drug hydroxychloroquine Hydroxychloroquine for lupus epocrates Hydroxychloroquine tablets ip hcqs 200 Pka of chloroquine I was taking hydroxychloroquine up until three days ago for RA treatment. I was unable to get in contact with my Rheumy. but after viewing the side effects in more dept I've stopped taking it. Hopefully, my dr. will call me back soon. hydroxychloroquine is the generic form of Plaquenil but the side effects are the same. My thigh muscles are so. What Conditions Does This Treat? Originally, hydroxychloroquine was used to prevent and treat malaria and was considered very effective. Now it is generally used for rheumatoid arthritis, but it has also been shown to work well for juvenile arthritis, some lupus symptoms, and other types of autoimmune conditions. Hydroxychloroquine HCQ is approved by the Food and Drug Administration FDA and has been used for more than 60 years. It is used to treat other autoimmune diseases, including rheumatoid arthritis and lupus. HCQ has a good safety profile and is approved for use in children. It now solely uses real body weight (rather than ideal body weight) based on new recommendations from a 2014 study (1). Disclaimer: This tool is designed to help eye care professionals better understand the risk the of retinotoxicity from hydroxychloroquine. Please note: This calculator was modified in 9/2015. Hydroxychloroquine step 1 RA and Hydroxychloroquine How Effective is it for., RA and Hydroxychloroquine How Effective is it for Rheumatoid. Chloroquine eea1Opthamologist plaquenil eye exam montgomery alPlaquenil can they be cut in halfPlaquenil ibdHydroxychloroquine and bloody stools 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 HCQ TRIALNET Type 1 Diabetes TrialNet. Systemic Lupus Erythematosus - MSK - Medbullets Step 1. Hydroxychloroquine is a quinoline medicine used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. The risk may also be higher with some doses of hydroxychloroquine, if you use hydroxychloroquine for longer than 5 years, or if you take certain other drugs like tamoxifen. Call your doctor right away if you have any eyesight changes like blurred or foggy eyesight, trouble focusing or reading, or trouble seeing in dim light. 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 ppatient’s real body weight. It’s important to understand that the daily dose is only one risk factor for plaquenil retinotoxicity.