Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Hydroxychloroquine discoid lupus Hydroxychloroquine macular toxicity Hydroxychloroquine moa Aug 02, 2010 Even while taking 400mg of Plaquenil and 15mg of Prednisone also an immunosuppressant, my immune system was still overactive. My Absolute Neutrophils good indicator of immune system function didn't get suppressed to a NORMAL range until I increased the Plaquenil to 600mg/day while still taking the Prednisone. Physicians and patients consider hydroxychloroquine an immunosuppressant medication for lack of a more accurate descriptor. Perhaps an immunomodulatory medication would be a better term. The mechanism of action of HCQ has not been fully elucidated and is still a matter of debate, but it clearly has been shown to have anti-inflammatory properties mediated through modulation of the immune system. It is listed as having a mild immunosuppressant effect in my book on RA, but one of the reasons for the blood tests is to check that your immune system is not being suppressed too much eg checking your white blood cell levels, so you shouldn't be completely vulnerable. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Hydroxychloroquine immunosuppressant Plaquenil Uses, Dosage & Side Effects -, Reasonably Well Plaquenil FAQ Plaquenil and shortness of breathPlaquenil use with retinopathyOpthamologist plaquenil eye exam montgomery al Even while taking 400mg of Plaquenil and 15mg of Prednisone also an immunosuppressant, my immune system was still overactive. My Absolute Neutrophils good indicator of immune system function didn't get suppressed to a NORMAL range until I increased the Plaquenil to 600mg/day while still taking the Prednisone. Do either hydroxychol/Plaquenil put you at risk for.. Hydroxychloroquine and the immune system Hi everyone.. Hydroxychloroquine Oral Route Description and Brand.. Hydroxychloroquine, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. Common side effects include vomiting, headache, changes in vision and muscle weakness. Severe side effects may include allergic reactions. It does not appear to be safe during Hydroxychloroquine is an aminoquinoline like chloroquine. It is a commonly prescribed medication in the treatment of uncomplicated malaria, rheumatoid arthritis, chronic discoid lupus erythematosus, and systemic lupus erythematosus. Hydroxychloroquine is also used for the prophylaxis of malaria in regions where chloroquine resistance is unlikely. Hydroxychloroquine is an antimalarial drug. It treats malaria by killing the parasites that cause the disease. It isn’t fully understood how this drug works to treat lupus erythematosus or.