Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Hydroxychloroquine iris Mycophenolate and plaquenil for dermatomyositis Interactions between plaquenil and methotrexate Plaquenil ® hydroxychloroquine sulfate can potentially interact with a few other medications. Some of these medicines that may lead to Plaquenil drug interactions include Certain beta blockers, such as Bisoprolol Zebeta ® Metoprolol Lopressor ®, Toprol XL ® Propranolol Inderal ® Sotalol Betapace ® Timolol Blocadren ® Hydroxychloroquine oral tablet can interact with other medications, vitamins, or herbs you may be taking. An interaction is when a substance changes the way a drug works. This can be harmful or prevent the drug from working well. To help avoid interactions, your doctor should manage all of your medications carefully. Severe Interactions These medications are not usually taken together. Consult your healthcare professional e.g. doctor or pharmacist for more in formation. These medications may interact and cause very harmful effects. Consult your healthcare professional e.g. doctor or pharmacist for more in formation. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil medication interactions Plaquenil Hydroxychloroquine Side effects, Images, Uses., Hydroxychloroquine Side Effects, Dosage, Uses, and More Chloroquine expired side effectsPlaquenil and mixed connective tissue disease 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. Hydroxychloroquine Plaquenil Side Effects & Dosage for.. Plaquenil Oral Interactions with Other Medication. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. To make sure hydroxychloroquine is safe for you, tell your doctor if you have a history of vision changes or damage to your retina caused by an anti-malaria medication; heart disease, heart rhythm disorder such as long QT syndrome; diabetes; a stomach disorder; an allergy to quinine; liver or kidney disease; Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. 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.