Leflunomide, sulfasalazine, and hydroxychloroquine are effective therapies in RA and are commonly employed in combination therapy. Although the precise mechanisms of action of the traditional DMARDs are incompletely understood, most have both anti-inflammatory and immunomodulatory actions. Hydroxychloroquine lupus dose Hydroxychloroquine ankylosing spondylitis This study evaluates the efficacy of the combination of methotrexate and hydroxychloroquine against leflunomide, a new DMARD as initial therapy in severe active rheumatoid arthritis. Hydroxychloroquine is known to increase the potency of methotrexate as well as increase its safety profile and reduce the dose. Does Leflunomide Interact with other Medications? Severe Interactions. These medications are not usually taken together. Consult your healthcare professional e.g. doctor or pharmacist for more. The study is based on leflunomide and hydroxychloroquine sulfate the active ingredients of Arava and Plaquenil, respectively, and Arava and Plaquenil the brand names. Other drugs that have the same active ingredients e.g. generic drugs are not considered. Toxicity from DMARD therapy can cause significant morbidity and rarely mortality; thus, appropriate dosing and monitoring for toxicity are essential. Choice of DMARD therapy should be tailored to the individual patient, with attention given to age, fertility plans, concomitant medications, and comorbidities. Leflunomide hydroxychloroquine combination Treating Rheumatoid Arthritis Combination Therapy, Leflunomide Oral Interactions with Other Medication Can plaquenil cause weight gainHow long does it take for plaquenil to start workingSide effect of plaquenil on eyes Rheumatoid arthritis is a chronic disorder for which there is no known cure. Fortunately in the last few years, a shift in strategy toward the earlier institution of disease modifying drugs and the availability of new classes of medications have greatly improved the outcomes that can be expected by most patients. Rheumatoid Arthritis Treatment Options Johns Hopkins.. Arava and Plaquenil drug interactions - eHealthMe. Leflunomide Oral Uses, Side Effects, Interactions.. Leflunomide. Leflunomide is a disease modifying anti-rheumatic drug DMARD developed specifically to control inflammatory arthritis. DMARDs act slowly, over weeks and months. Leflunomide is a prodrug, which means that it is inactive until it is taken. It is changed into the active drug inside the person's own body. After 2 years of taking MTX, Sulfasalazine and Hydroxychloroquine in combination my new Rheumy has determined that there aren't having enough effect as a combination and wants to take me off the Sulfa and substitute Leflunomide. Background/Purpose Primary Sjogren’s syndrome pSS is a systemic, progressive autoimmune disease characterized by secretory gland dysfunction which lacks effective therapy. Clinical trials in patients with pSS using leflunomide LEF or hydroxychloroquine HCQ previously effectively inhibited B cell hyperactivity, but induced only modest insignificant effects on clinical parameters. LEF.