It does not work against certain types of malaria (chloroquine-resistant). The United States Center for Disease Control provides updated guidelines and travel recommendations for the prevention and treatment of malaria in different parts of the world. Interactions between plaquenil and methotrexate Retinal damage from plaquenil To make sure hydroxychloroquine is safe for you, tell your doctor if you have a history of vision changes or damage to your retina caused by an anti-malaria medication; heart disease, heart rhythm disorder such as long QT syndrome; diabetes; a stomach disorder; an allergy to quinine; liver or kidney disease; Feb 19, 2020 Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine typically is very well tolerated. Serious side effects are rare. The most common side effects are nausea and diarrhea, which often improve with time. Less common side effects include rash, changes in skin pigment such as darkening or dark spots, hair changes, and muscle weakness. This medication is also used, usually with other medications, to treat certain auto-immune diseases (lupus, rheumatoid arthritis) when other medications have not worked or cannot be used. Discuss the most recent information with your doctor before traveling to areas where malaria occurs. Hydroxychloroquine should you take if you are anemic Plaquenil Hydroxychloroquine - Side Effects, Dosage., Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses What is the highest doesagewith plaquenilCan plaquenil cause psoriasisIs prednisone and plaquenil safe during pregnancyGeneric name of plaquenilPlaquenil brittle hair Fortunately, the problems seen by people taking this medication are usually very mild. Serious side effects are rare. Overall, most people who have any noticeable side effects from hydroxychloroquine experience diarrhea or nausea. These usually get better after the person adjusts to the medication. RA and Hydroxychloroquine How Effective is it for.. PATIENT FACT SHEET Hydroxychloroquine Plaquenil. Anemia Causes, Symptoms, Diagnosis, Treatments. Indicates that you can expect to see some results after a month or two of taking hydroxychloroquine, but in order to get the full benefits you will need to take the medication for at least six months. That can help you realize how much benefit you’re going to actually get from the drug. Before using hydroxychloroquine, tell your doctor or pharmacist of all the drugs you take and if you have any of the following conditions certain heart problems heart failure, slow heartbeat, QT. Make sure you tell your doctor if you have any other medical problems, especially Allergy to 4-aminoquinoline compounds eg, chloroquine—Should not be used in patients with this condition. Blood or bone marrow problems or. Diabetes or. Eye or vision problems or. Muscle problems or. Nerve problems or.