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. Plaquenil myositis How to stop taking 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! Sep 13, 2019 Some of the dosage forms listed on this page may not apply to the brand name Plaquenil. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. Although not all of these side effects may occur, if they do occur. 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. 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 Will you have Thrombocytopenia with Plaquenil - eHealthMe, Plaquenil Side Effects Common, Severe, Long Term - Is plaquenil used to treat vasculitisPlaquenil and eyesightChloroquine gg 260Chloroquine vs atovaquonePlaquenil lethargy If experienced, these tend to have a Severe expression. Abnormal Liver Function Tests. Acute Liver Failure. Acute Pustular Eruptions On Skin. Bronchospasm. Decreased Blood Platelets. Decreased White Blood Cells. Deficiency Of Granulocytes A Type Of White Blood Cell. Common and Rare Side Effects for Plaquenil Oral. Refractory immune thrombocytopenia successfully treated.. Plaquenil - Effects on Blood Tests especially platelet count. First, my mother and sister took plaquenil for lupus with good effect, so I am not just disliking it for no good reason. I also suffer from disabling bipolar disorder. For 25 years, I have gotten hypomanic during spring. Very happy, never depressed. When I started taking Plaquenil, I got a bit depressed but that's not a big deal. A low platelet count is a blood disorder that can sometimes be serious. This article looks at platelets and their role within the body. Find out about the many possible causes of a low count. 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.