This can damage many parts of the body, including the joints, skin, kidneys, heart, lungs, blood vessels, and brain. There are several kinds of lupus The cause of lupus is unknown. Lupus is two to three times more common in African American women than in Caucasian women. Metoprolol and plaquenil Plaquenil pregnancy Plaquenil eye damage symptoms Lupus or SLE is a complex disease. But the good news is you can get help and fight lupus. Learn more about lupus symptoms and how to cope. Pharmacokinetics Following a single 200 mg oral dose of hydroxychloroquine sulfate tablets to healthy males, the mean peak blood concentration of hydroxychloroquine was 129.6 ng/mL, reached In 3.26 hours with a half-life of 537 hours 22.4 days. Hydroxychloroquine is widely used in the treatment of post-Lyme arthritis. It may have both an anti- spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. African American and Hispanic women are more likely to have severe forms of lupus. It's also more common in Hispanic, Asian, and Native American women. Hydroxychloroquine medline plus Hydroxyzine MedlinePlus Drug Information, DailyMed - HYDROXYCHLOROQUINE SULFATE tablet, film coated Dengue virus chloroquine 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 Plaquenil Side Effects & Dosage for.. Hydroxychloroquine - Wikipedia. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Chloroquine phosphate may cause an upset stomach. Take chloroquine phosphate with food. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Use chloroquine phosphate exactly as directed. Do not use more or less of it or use it more often than prescribed by your. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Important information. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments.