Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Whitepill with plaquenil Lysosome fusion inhibitor chloroquine Anti-platelet agents affect platelet function, so people taking these drugs should not donate platelets for the indicated time; however, you may still be able to donate whole blood. A n t ic o agulants or “blood thinners” are used to treat or prevent blood clots in the legs, lungs, or other parts of the body, and to prevent strokes. Hydroxychloroquine HCQ, 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. 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! Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Plaquenil platelets Lupus and Low Blood Platelets - Platelet Disorder Support., Hydroxychloroquine - Wikipedia Trametinib hydroxychloroquine pancreatic cancer Because her platelet count had increased to 72,000/mm 3, her prednisone dose was tapered from 40mg to 15mg. The patient’s platelet count had increased to 301,000/mm 3 6 weeks after her initial visit and she was therefore maintained on Plaquenil® hydroxychloroquine, vitamin D 50,000IU once a week and prednisone tapered to 7.5mg. Refractory immune thrombocytopenia successfully treated.. Plaquenil and low wbc - Things You Didn’t Know. PLAQUENIL HYDROXYCHLOROQUINE SULFATE TABLETS, USP DESCRIPTION. Dec 26, 2003 So, a few weeks after my most recent appointment, I called my doctor back and she put me on Plaquenil, twice a day at 200mg per dose. I started this on Christmas Eve -- so, really just two days ago. Of course it takes months for me to start feeling the effects, but I am curious as to whether this will lower my platelet count? 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. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as.