Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Plaquenil usual dosage Retinal toxicity and plaquenil aafp Detailed Hydroxychloroquine dosage information for adults and children. Includes dosages for Rheumatoid Arthritis, Systemic Lupus Erythematosus, Malaria Prophylaxis and more; plus renal, liver and dialysis adjustments. 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 Plaquenil™ What is hydroxychloroquine? Hydroxychloroquine also known as hydroxychloroquine sulfate is an arthritis medicine. that also can be used to prevent malaria. It is available in the United States by prescription only. It is sold under the brand name Plaquenil and it is also sold as a generic medicine. It is. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Hydroxychloroquine sulfate overdose Hydroxychloroquine Side Effects, Dosage, Uses, and More, RA and Hydroxychloroquine How Effective is it for Rheumatoid Arthritis. Hydroxychloroquine with skin cancerAnti-malarial medicine for chloroquine resistant malairaPlaquenil cheapest priceRevised recommendations on screening for chloroquine and hydroxychloroquineChloroquine directions for use Based on the 2011 recommendations from the AAO and ACR, 17% of the patients were receiving an HCQ overdose that was more than 10% above the recommended dosage, and another 13% received a smaller overdose. If the 2016 dosage guidelines were applied, the extent of overdosing might be even greater, Dr. Koppikar said. Hydroxychloroquine dosage recommendations often ignored.. Medicines for the Prevention of Malaria While Traveling.. Hydroxychloroquine Professional Patient Advice -. Hydroxychloroquine sulfate has been reported to increase plasma digoxin levels. Serum digoxin levels should be closely monitored in patients receiving concomitant treatment. Hydroxychloroquine sulfate may also be subject to several of the known interactions of chloroquine even though specific reports have not appeared. Symptoms of overdose. Drowsiness dry mouth increased thirst loss of appetite mood changes no pulse or blood pressure numbness or tingling in the hands, feet, or lips unconsciousness Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. The molecular weight of hydroxychloroquine sulfate is 433.95, and molecular formula is C 18 H 26 ClN 3 O. H 2 SO 4. Hydroxychloroquine Sulfate Tablets, USP contain 200 mg hydroxychloroquine sulfate, equivalent to 155 mg base, and are for oral administration.