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. Hydroxychloroquine sulfate 200 mg oral tablet Hydroxychloroquine 200 mg bid The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is. CBD Oil Drug Interactions – The CYP450 Pathway. Research has begun to demonstrate that cannabidiol CBD has the potential to effectively help a large number of people. CBD oil interacts with the endocannabinoid system in a way that produces very few unintended side-effects. As PLAQUENIL may enhance the effects of a hypoglycemic treatment, a decrease in doses of insulin or antidiabetic drugs may be required. Drugs That Prolong QT Interval And Other Arrhythmogenic Drugs. PLAQUENIL prolongs the QT interval and should not be administered with other drugs that have the potential to induce cardiac arrhythmias. 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 ibuprofen interaction Tranexamic Acid Side Effects and Possible Drug Interactions, Drugs That May Interact with CBD Oil Learn More CBD Oil. Chloroquine druv testHydroxychloroquine pillChloroquine and filipinChloroquine phosphate for lupusHydroxychloroquine sulphate tablets ip 200 mg Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. Hydroxychloroquine MedlinePlus Drug Information. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Plaquenil and Ibuprofen drug interactions - eHealthMe. A list of drugs that interact with Hydroxychloroquine. Hydroxychloroquine is predicted to increase the risk of haematological toxicity when given with penicillamine. 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. FDA is strengthening labels warning that nonsteroidal anti-inflammatory drugs NSAIDs, used for the temporary relief of pain and fever, can increase the risk of heart attack, stroke, and death.