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. How does hydroxychloroquine help rheumatoid arthritis How do you pronounce hydroxychloroquine This article is from June 2011 and may contain outdated material. Download PDF. Many systemic medications may cause retinal toxicity. One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. Hydroxychloroquine has also been used as an antimalarial, but in addition is now broadly used in autoimmune diseases such as lupus and rheumatoid arthritis. Of note, chloroquine and hydroxychloroquine are considered to be safe and side-effects are generally mild and transitory. Chloroquine and hydroxychloroquine belong to the quinolone family. They are related drugs with similar clinical indications for use and similar manifestations of retinal toxicity, although their therapeutic and toxic doses differ. 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. Hydroxychloroquine intoxication Hydroxychloroquine Oral Uses, Side Effects, Interactions., Of chloroquine and COVID-19 - ScienceDirect High risk medication icd 10 plaquenilChloroquine dose per kgPsoriatic arthritis response to plaquenil Hydroxychloroquine is 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. Hydroxychloroquine - Side Effects, Dosage, Interactions.. Chloroquine and Hydroxychloroquine Toxicity Practice.. Hydroxychloroquine Plaquenil Toxicity and Recommendations.. 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. Hydroxychloroquine can cause irreversible retinal toxicity, resulting in bilateral bull’s eye retinopathy, but is regarded as less toxic to the retina than chloroquine and it does not cause the corneal deposits seen with chloroquine therapy. This is because hydroxychloroquine sulfate can affect the way some other medicines work. Also some medicines can affect the way hydroxychloroquine sulfate works. In particular, tell your doctor if you are taking any of the following The following medicines may increase the chance of you getting side effects when taken with hydroxychloroquine.