Your doctor may want your eyes be checked by an ophthalmologist (eye doctor). Contact your doctor right away if you have any changes to your heart rhythm. Chloroquine to treat gbm Can plaquenil cause anxiety Hydroxychloroquine plaquenil direct sun light Chloroquine treatment lysosome Summary. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Hydroxychloroquine oral tablet is available as a brand-name drug and a generic drug. Brand name Plaquenil. Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used to treat malaria, lupus erythematosus, and rheumatoid arthritis. Heart or blood pressure medicine; pain or arthritis medicines including aspirin, Tylenol, Advil, and Aleve; seizure medication; stomach acid reducers; or; tuberculosis medicine. Make sure your doctor knows if you had a heart rhythm problem such as QT prolongation. Check with your doctor right away if you have muscle weakness, pain, or tenderness while using this medicine. You might feel dizzy or faint, or you might have a fast, pounding, or uneven heartbeat. Plaquenil lowers blood sugar Plaquenil and Low Blood Sugar - Inspire, Hydroxychloroquine Side Effects, Dosage, Uses, and More Can i take tramadol with hydroxychloroquineHow long before hydroxychloroquine starts workingSmall bowel obstruction bowel obstruction take hydroxychloroquineHydroxychloroquine discontinued side effects Hydroxychloroquine belongs to a group of medicines known as antimalarials. It works by preventing or treating malaria, a red blood cell infection transmitted by the bite of a mosquito. However, this medicine is not used to treat severe or complicated malaria. Hydroxychloroquine Oral Route Description and Brand.. Hydroxychloroquine - Side Effects, Dosage, Interactions.. Plaquenil Indications, Side Effects, Warnings -. Blood tests If you take this medication for a long period of time, your doctor will likely want you to have blood tests to monitor your levels of red and white blood cells. Blood sugar levels Hydroxychloroquine may cause hypoglycemia low blood sugar levels. People with diabetes may find it necessary to monitor their blood sugar more. 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! Find information about common, infrequent and rare side effects of Hydroxychloroquine Oral.