Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Plaquenil and metformin together Plaquenil for throat inflammation Chloroquine phosphate for marine velvet Plaquenil and hair growth Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Important information. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. 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. The Related Drug Information Index provides comprehensive access to all drug information related to a specific drug Types of content include full prescribing information, drug summaries, Full Prescribing Information Continuing Medication Education Full PI CME, Medication Guides, Risk Evaluation and Mitigation Strategies REMS Summaries, REMS Continuing Medication Education REMS CME, and. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Plaquenil free drug HYDROXYCHLOROQUINE - ORAL Plaquenil side effects, medical., Hydroxychloroquine Side Effects, Dosage, Uses, and More Hydroxychloroquine and acetaminophen WebMD provides information about common drug or vitamin interactions for Plaquenil Oral. Newsletters Sign Up to Receive Our Free. Medications Plaquenil. Does Plaquenil Interact with other. Plaquenil Oral Interactions with Other Medication. Plaquenil Drug Information. Plaquenil Oral Uses, Side Effects, Interactions, Pictures.. Nov 09, 2018 Hydroxychloroquine 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. This medicine is not effective against all strains of malaria. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine -sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. 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.