It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Chloroquine toxicity treatment Plaquenil and calcium levels 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. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Dosage for Plaquenil. The adult dose of Plaquenil to suppress malaria is 400 mg on the same day each week. The pediatric weekly suppressive dosage is 5 mg/kg of body weight. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Plaquenil and menstrual cycle Can plaquenil mess up menstrual cycle - Doctor answers on HealthcareMagic, Hydroxychloroquine Side Effects, Dosage, Uses, and More Why is hydroxychloroquine prescribedChloroquine atom numberPlaquenil and atrial fibrillation Rheumatoid arthritis RA, the most common form of inflammatory arthritis, can lead to significant pain, disability, and deformity, and is a multisystem autoimmune disorder. The hallmark of this disease, erosive joint destruction, results from unchecked synovial inflammation, which can damage articular cartilage and bone, with resultant loss of joint function. Perioperative Management of Medications Used in the.. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Can lupus affect your menstrual cycle?. Hi, so i started plaquenil approx a month ago, after around 2weeks on the plaq i had my period which lasted for a week normal, now 10days later i have my period again today. an it is VERY painful. i normally have a period every 5weeks, so this is totally out of the norm for me. Helpful, trusted answers from doctors Dr. Iwata on can lupus affect menstrual cycles Virtually al type of infections have the potential to "mess-up" your cycle, but often minor/short-lived occurence. Mild mono is not likely to do that, similar to the common cold you get, but significant mono/or any illness can throw your cycle off. Menstruation irregular is found among people who take Plaquenil, especially for people who are 40-49 old also take medication Synthroid, and have Birth control. This study is created by eHealthMe based on reports of 48,911 people who have side effects when taking Plaquenil from Food and Drug Administration FDA, and is updated regularly.