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. Can you take hydroxychloroquine sulfate if youre allergic to.sulfa Leflunomide hydroxychloroquine Plaquenil has been detected in human breast milk. Because of the possibility for adverse reactions in nursing infants from Plaquenil, a choice should be made whether to stop nursing or to stop use of this medication. The importance of the drug to the mother should be considered. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria 2. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. According to the Mayo Clinic, it can take up to six months' constant use before an effect is seen in RA 1. 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. Plaquenil and alcohol use Alcohol and RA" Rheumatoid Arthritis Community - Support Group, Plaquenil Oral Uses, Side Effects, Interactions, Pictures. Chloroquine dose for prophylaxisHydroxychloroquine in lupus pregnancy The adult dose of Plaquenil to suppress malaria is 400 mg on the same day each week. The pediatric weekly suppressive dosage is 5 mg/kg of body weight. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Long-Term Side Effects of Plaquenil for Rheumatoid.. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Plaquenil and Alcohol Plaquenul generic name hydroxychloroquine is used to treat or prevent malaria which is a disease caused by parasites which usually enter the body from a mosquito bite. It is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosis Can you drink alcohol while taking Plaquenil? I don't drink everyday, but have had some drinks while on NSAIDS and Prednisone and have not had any bad effects. PLAQUENIL® HYDROXYCHLOROQUINE SULFATE TABLETS, USP DESCRIPTION PLAQUENIL h. ydroxychloroquine sulfate is a. white or practically white, crystalline. powder freely. soluble in water; practically insoluble in alcohol, chloroform, and in ether. The. chemical. name for. is 2-4-7-Chloro-4-quinolyl aminopentyl ethylaminoethanol 11.