Multi ingredient medications may also be listed when applicable. Plaquenil is the brand name for the prescription drug hydroxychloroquine. Plaquenil antibiotic interactions Hydroxychloroquine sulfate and sun exposure Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. 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 is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Plaquenil pill identification Plaquenil oral Reviews and User Ratings Effectiveness, Ease of Use., Hydroxychloroquine Oral Tablet Drug Information, Side. Chloroquine acidityPlaquenil and prednisone Use the ScriptSave WellRx pill identifier to quickly and easily identify unknown medicines by imprint*, shape, number, and color. *U. S. prescription and over-the-counter drugs OTC are required to have an imprint. If your pill doesn’t have one, it could be a vitamin, supplement, or foreign drug. HYDROXYCHLOROQUINE SULFATE Pictures & Common Dosing.. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaquenil - Uses, Side Effects, Interactions -. 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. Medscape - Indication-specific dosing for Plaquenil hydroxychloroquine sulfate, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Hydroxychloroquine is a prescription drug. It comes as an oral tablet. Hydroxychloroquine is available as the brand-name drug Plaquenil. It’s also available in a generic version.