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. Chloroquine mechanism of action autophagy Hydroxychloroquine sulfate dosage for lupus Do not take more or less of it or take it more often than prescribed by your doctor. If you are taking hydroxychloroquine for symptoms of rheumatoid arthritis, your symptoms should improve within 6 months. If your rheumatoid arthritis symptoms do not improve, or if they worsen, stop taking the drug and call your doctor. Hydroxychloroquine oral tablet can interact with other medications, vitamins, or herbs you may be taking. An interaction is when a substance changes the way a drug works. Taking the medication for the full six months can help you make a decision about continuing it. Does Hydroxychloroquine Have Side Effects? Like all medications, there is the risk of side effects. Fortunately, the problems seen by people taking this medication are usually very mild. Serious side effects are rare. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. How to take hydroxychloroquine Treating Lupus with Anti-Malarial Drugs Johns Hopkins Lupus Center, Hydroxychloroquine Side Effects, Dosage, Uses, and More Risk of plaquenil retinopathyDifference between methotrexate and plaquenilPlaquenil eye twitching Take hydroxychloroquine with a meal or a glass of milk. To prevent malaria Start taking the medicine 2 weeks before entering an area where malaria is common. Continue taking the medicine regularly. Hydroxychloroquine - Side Effects, Dosage, Interactions.. RA and Hydroxychloroquine How Effective is it for Rheumatoid Arthritis.. Hydroxychloroquine Oral Route Proper Use - Mayo Clinic. Hydroxychloroquine is effective at treating autoimmune diseases. It is believed that hydroxychloroquine interferes with communication of cells in the immune system. SIDE is rare. It is recommended that you have an eye exam EFFECTS HOW TO TAKE IT Hydroxychloroquine comes in an oral tablet. Adult dosing ranges from 200mg or 400mg per day 5 mg per Plaquenil hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage. While today it is used to treat autoimmune conditions, such as rheumatoid arthritis and lupus, it was originally used as an anti-malaria. Effects of hydroxychloroquine? Hydroxychloroquine is a relatively well tolerated medicine. The most common adverse reactions. reported are stomach pain, nausea, vomiting, and headache. These side effects can often be lessened by taking hydroxychloroquine with food. Hydroxychloroquine may also cause itching in some people.