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. Chloroquine phosphate dosage aquarium Blackrock hydroxychloroquine Plaquenil and fatigue Plaquenil and lexapro Drug Interactions. section was added to the Plaquenil drug label with information regarding use with digoxin, insulin or diabetic drugs, drugs that prolong QT interval and other arrhythmogenic drugs, mefloquine and other drugs known to lower the convulsive threshold, antiepileptics, methotrexate, cyclosporine, Biltricide ® 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. Drug Interactions between methotrexate and Plaquenil. This report displays the potential drug interactions for the following 2 drugs Interactions between your drugs. Consumer information for this minor interaction is not currently available. Some minor drug interactions may not be clinically relevant in all patients. 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 methotrexate interactions Hydroxychloroquine Oral Route Before Using - Mayo Clinic, Hydroxychloroquine Side Effects, Dosage, Uses, and More Gene rdh12 chloroquine retinopathyUsing chloroquine in display reef tankPatient teaching when taking hydroxychloroquineHydroxychloroquine sun pharmaceuticals 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 Malaria. . Interactions among Low Dose of Methotrexate and Drugs Used in.. Hydroxychloroquine belongs to a group of medicines known as antimalarials. It works by preventing or treating malaria, a red blood cell infection transmitted by the bite of a mosquito. However, this medicine is not used to treat severe or complicated malaria. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Dec 15, 2010 hello hope everyone is well just a quick question, i have been on methotrexate for 2 months increasing from 7.5 to 15 and now to 25mg.weekly now been given plaquenil 400mg daily, has anyone else been on this mixture and has it worked or how long should i wait to see if it works.