The MCV blood test shows the average size of your red blood cells. Red blood cells (RBCs) play an important function in transporting oxygen and nutrients to tissue. Hydroxychloroquine online perscriptipn Anti malarial medication hydroxychloroquine In rare cases, Plaquenil can cause cardiomyopathy, a chronic disease of the heart muscle. If you're taking Plaquenil for an autoimmune condition, your symptoms should begin to improve after a few. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Aug 14, 2017 Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks. That is why doctors will check the average size of your red blood cells. Red blood cells that are too large or too small can be an indicator of an underlying medical condition. Can plaquenil affect mcv Protecting your eyesight when taking Plaquenil Lupus., Hydroxychloroquine Side Effects, Dosage, Uses, and More Plaquenil treatment for rheumatoid arthritisDark spots covering face from plaquenilIs chloroquine an effective antimalarial drug in brazil Beyond Plaquenil Other Drugs, Other Problems. If you’re looking for a comprehensive assessment of drug reactions that relate to the eye, Dr. Fraunfelder and his father, Frederick T. “Fritz” Fraunfelder, MD, along with Wiley A. Chambers, MD, literally wrote the book. 3 “So many drugs can cause ocular side effects that if you’re trying to make a point about which drugs to watch out. Rx Side Effects New Plaquenil Guidelines and More.. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Common and Rare Side Effects for Plaquenil Oral. According to Dr. Laurence Knott on Patient.info, a vitamin B12 deficiency can cause new red blood cells to be larger than they should be. This can affect blood synthesis and lead to megaloblastic anemia. 13. Medications. Certain medications can cause high MCV levels. Hydroxy Plaquenil CAN affect moods & can cause 'mental changes' in some people u should b able 2 clarify this by reading u're info leaflet in the med packet. I came off hydroxy as I gained no benefit whatsoever & apart from getting near on every side effect from it, became the most s**** bitch ever lol! Doctors give trusted answers on uses, effects, side-effects, and cautions Dr. Dugan on plaquenil and low wbc This drug can effect the bone marrow and make the white blood count and platelets low. Your doctor may want to stop this medication, but don't stop it till you talk to the doctor. Good luck!