It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Chloroquine excretion Generic plaquenil cost Reducing plaquenil dosage 7 day chloroquine program Molecular Formula C 18 H 26 ClN 3 O. H 2 SO 4. Molecular Weight of 433.95. Each tablet, for oral administration, contains 200 mg hydroxychloroquine sulfate, USP equivalent to 155 mg base. Side Effects. Drug information provided by IBM Micromedex Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Mar 17, 2019 Hydroxychloroquine is a quinoline medicine 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. This medicine is not effective against all strains of malaria. Today, it is used to treat rheumatoid arthritis, some symptoms of lupus, childhood arthritis (or juvenile idiopathic arthritis) and other autoimmune diseases. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Hydroxychloroquine 200mg Hydroxychloroquine - Side Effects, Dosage, Interactions., Hydroxychloroquine Oral Route Side Effects - Mayo Clinic Plaquenil stomach painCirrus oct plaquenilPlaquenil and oral thrush 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 Uses, Dosage & Side Effects -. Hydroxychloroquine MedlinePlus Drug Information. Shop for electronics, computers, furniture, outdoor living, appliances, jewelry and more. Enjoy low warehouse prices on name-brands products delivered to your door. Hydroxychloroquine Oral tablet drug summary. Find medication information including related drug classes, side effects, patient statistics and answers to frequently asked questions. Visit for more details. Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form.