Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Do you need to take pain meds with plaquenil Cr3 ii chloroquine Can plaquenil and elavil be taken together Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. The molecular weight of hydroxychloroquine sulfate is 433.95, and molecular formula is C 18 H 26 ClN 3 O. H 2 SO 4. Hydroxychloroquine sulfate tablets, USP contain 200 mg hydroxychloroquine sulfate, USP equivalent to 155 mg base, and are for oral administration. HYDROXYCHLOROQUINE is used to treat rheumatoid arthritis and systemic lupus erythematosus. It is also used to treat malaria. The lowest GoodRx price for the most common version of hydroxychloroquine is around $20.41, 88% off the average retail price of $177.73. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Hydroxy chloroquine 200 mg RA and Hydroxychloroquine How Effective is it for., Hydroxychloroquine Sulfate Tablets, USP 200 mg Rx only How to spell plaquenilPlaquenil prevent antiphosphilipudMthfr and plaquenil 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. Hydroxychloroquine Uses, Dosage & Side Effects -. Hydroxychloroquine Prices, Coupons & Savings Tips - GoodRx. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. PLAQUENIL hydroxychloroquine sulfate tablets is indicated for the treatment of rheumatoid arthritis, and discoid and systemic lupus erythematosus, in patients who have not responded satisfactorily to drugs with less potential for serious side effects. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more.