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. Difference between plaquenil and hydroxychloroquine Chloroquine help with payment for prescriptions Chloroquine transfection lipofectamine To reduce the incidence of chloroquine and hydroxychloroquine toxicity, health care providers HCP's that prescribe these medications and those that screen for ocular toxicity have developed clear dosing and screening protocols that have reduced the risk of end-stage disease; bull's eye maculopathy and central vision loss Level I. Overdose symptoms include convulsions, drowsiness, headache, heart problems or heart failure, difficulty breathing and vision problems. Pharmacology Pharmacokinetics. Hydroxychloroquine has similar pharmacokinetics to chloroquine, with rapid gastrointestinal absorption and elimination by the kidneys. 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. 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. Hydroxychloroquine overdose Hydroxychloroquine Oral Uses, Side Effects, Interactions., Hydroxychloroquine - Wikipedia Plaquenil taken mistakenly Hydroxychloroquine received an overall rating of 7 out of 10 stars from 368 reviews. See what others have said about Hydroxychloroquine, including the effectiveness, ease of use and side effects. Hydroxychloroquine Reviews Everyday Health. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. Hydroxychloroquine - Side Effects, Uses, Dosage, Overdose.. 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. An overdose of hydroxychloroquine can be fatal, especially in children. Take hydroxychloroquine for the full prescribed length of time for malaria. Your symptoms may improve before the infection is completely cleared. 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.