Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. How long before hydroxychloroquine starts working Optomolologist plaquenil eye exam montgomery al How does plaquenil treat malaria Antimalarial quinolines are used to prevent and treat malaria. During the blood stages of the life cycle of malaria parasite the parasite needs to degrade hemoglobin. Hemoglobin digestion releases free heme that is toxic to the parasite, so it is then polymerised to non toxic hemozoin. Hydroxychloroquine, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. Common side effects include vomiting, headache, changes in vision and muscle weakness. Severe side effects may include allergic reactions. It does not appear to be safe during Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. Plaquenil 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, and Southern Asia. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil antimalarial medications Lupus Medications and Treatments, Hydroxychloroquine - Wikipedia Plaquenil serious side effectsPlaquenil toxicity dosage Mechanism of action of hydroxychloroquine as an antirheumatic drug. Fox RI1. Author information 1Department of Rheumatology, Scripps Clinic and Research Foundation, La Jolla, CA 92037. The antimalarial agents chloroquine and hydroxychloroquine have been used widely for the treatment of rheumatoid arthritis and systemic lupus erythematosus. Mechanism of action of hydroxychloroquine as an.. Plaquenil Uses, Dosage & Side Effects -. Plaquenil Oral Interactions with Other Medication. Here are the three most common antimalarial drugs prescribed for lupus Hydroxychloroquine Plaquenil This is the most commonly prescribed antimalarial. Chloroquine Aralen This drug has been known to have more serious side effects. Quinacrine Atabrine Quinacrine is another. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. 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.