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. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Effects of hydroxychloroquine Who makes generic plaquenil What does plaquenil do to your immune system Treatment for chloroquine itching Identify these serious hydroxychloroquine drug interactions with the RxList drug interaction checker tool. Drugs A-Z Pill Identifier Supplements Symptom Checker Diseases Dictionary Media Slideshows Images Quizzes Just make sure that you check that there is no interactions with the plaquenil. I do think some supplements such as magnesium need to be taken 4 hours before/after plaquenil otherwise it can reduce drug absorption of plaquenil. As multi vit have magnesium you have to be careful of this. 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. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Plaquenil interactions with vitamins Plaquenil Oral Interactions with Other Medication, Vitamins with plaquenil and pred. DailyStrength Methotrexate sulfasalazine hydroxychloroquine and leflunomideWhat does plaquenil do for autoimmune diseases Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Plaquenil Oral Uses, Side Effects, Interactions, Pictures.. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Summary Drug interactions are reported among people who take Plaquenil and Vitamin d together. This study is created by eHealthMe based on reports of 2,536 people who take Plaquenil and Vitamin d from Food and Drug Administration FDA, and is updated regularly. 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. To treat lupus erythematosus, the average adult dose is 400 mg once or twice daily. What Drugs, Substances, or Supplements Interact with Plaquenil? WebMD provides information about which foods to avoid while taking Plaquenil Oral. Skip to main content. Supplements Drugs & Supplements. Drugs & Supplements. drug interactions or adverse.