I've stopped Sulfa as I was experiencing a bad taste & smell, which may be caused by sulfa. After a while it wasn't as effective and I too was prescribed methotrexate alongside. I'm about to start MTX & am hoping that I wont have side effects with that! The side effects of the methotrexate for me were horrendous (chronic chest infections) and I'm now asthmatic as a result. Hydroxychloroquine and lorazepam Plaquenil guidelines for eye monitoring 2016 Combination therapy with methotrexate and hydroxychloroquine for rheumatoid arthritis increases exposure to methotrexate. Combination therapy with methotrexate and hydroxychloroquine for rheumatoid arthritis increases exposure to methotrexate. Plaquenil was actually first classified as an antimalarial drug, but it is also used to treat certain rheumatic and autoimmune conditions which are unrelated to malaria. Generally, Plaquenil is a treatment option as monotherapy used alone for mild rheumatoid arthritis or as combination therapy with other DMARDs for moderate to severe disease. Methotrexate–hydroxychloroquine combination therapy may cause lower disease activity in early RA than methotrexate monotherapy. Methotrexate monotherapy as first early RA treatment seems to lead to more treatment intensification. I had side effects from MTX, which largely wore off, but haven't had any problems with the Hydroxy or Sulpha. I refuse to take it now even if its my passport to biologic treatment. I started with MTX which worked, but not enough so the others were added in which has been better. What does hydroxychloroquine combined with methotrexate do for ra Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis, Taking Plaquenil for Rheumatoid Arthritis Plaquenil and b12Hydroxychloroquine clinical trial cancerSide effects of hydroxychloroquine weight gain Original Article from The New England Journal of Medicine — Treatment of Rheumatoid Arthritis with Methotrexate Alone, Sulfasalazine and Hydroxychloroquine, or a Combination of All Three Medications Treatment of Rheumatoid Arthritis with Methotrexate Alone.. Effects of methotrexate and hydroxychloroquine combination.. How Does Methotrexate Treat Rheumatoid Arthritis? - WebMD. Hydroxychloroquine is a disease-modifying anti-rheumatic drug DMARD. It regulates the activity of the immune system, which may be overactive in some conditions. Hydroxychloroquine can modify the underlying disease process, rather than simply treating the symptoms. 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 is a disease-modifying anti-rheumatic drug DMARD approved for adults with RA. It is often given in combination with methotrexate and sulfasalazine a treatment known as triple therapy, to help slow RA disease progression for patients who do not get relief from methotrexate therapy alone.