Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Plaquenil oct damage Best alternative to plaquenil Plaquenil retinopathy Aug 14, 2017 According to the New Zealand Dermatological Society, Plaquenil can cause abnormalities in blood counts. An abnormally low number of white blood cells can lead to infection, because white blood cells defend the body against bacteria. Low platelet count thrombocytopenia can lead to easy bleeding and bruising. According to the New Zealand Dermatological Society, Plaquenil can cause abnormalities in blood counts. An abnormally low number of white blood cells can lead to infection, because white blood cells defend the body against bacteria. Low platelet count thrombocytopenia can lead to easy bleeding and bruising. What Conditions Does This Treat? Originally, hydroxychloroquine was used to prevent and treat malaria and was considered very effective. Now it is generally used for rheumatoid arthritis, but it has also been shown to work well for juvenile arthritis, some lupus symptoms, and other types of autoimmune conditions. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Does hydroxychloroquin cause low wbc Low WBC and Lupus - Lupus - MedHelp, Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis Healthfully What are some of the side effects of plaquenil 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! Plaquenil and low wbc - Things You Didn’t Know. RA and Hydroxychloroquine How Effective is it for Rheumatoid.. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. Medical use. Hydroxychloroquine treats malaria, systemic lupus erythematosus, rheumatic disorders like rheumatoid arthritis, porphyria cutanea tarda, and Q fever. In 2014, its efficacy to treat Sjögren syndrome was questioned in a double-blind study involving 120 patients over a 48-week period. Hydroxychloroquine oral tablet doesn’t cause drowsiness, but it can cause other side effects. More common side effects. The more common side effects that can occur with hydroxychloroquine include Medications or substances causing Low white blood cell count The following drugs, medications, substances or toxins are some of the possible causes of Low white blood cell count as a symptom. This list is incomplete and various other drugs or substances may cause your symptoms see Low white blood cell count.