I am 32 weeks pregnant and have been taking 400 mg of the drug for several months because of an autoimmune disease. My doctor has suggested that it may not be safe for me to breastfeed because I will need to remain on the drug after I deliver. Why is the drug hydroxychloroquine Plaquenil avis Hydroxychloroquine originally used to treat Plaquenil tablets contain the active ingredient hydroxychloroquine, which is a type of medicine called a disease-modifying anti-rheumatic drug DMARD. It is used to treat rheumatoid arthritis. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. A woman began taking azathioprine 100 mg 1.4 mg/kg daily for Crohn’s disease while breastfeeding extent not stated her 3-month-old infant. After 8 days and 3 months of maternal therapy, 6-TGNs were measured, although breastfeeding had been tapered to zero by 3 months. On both occasions, 6-TGNs were not detectable in the blood of the infant. Obviously I have to discuss this in more detail with my doctor and pediatrician, but was curious if there is anyone out there. There contradictory reports online - some saying there are no effects and others saying it is not safe. Is hydroxychloroquine safe to take while breastfeeding Hydroxychloroquine Plaquenil RheumTutor, Hydroxychloroquine Side Effects, Dosage, Uses, and More Hydroxychloroquine side effects vision Experts say pregnant women can safely take the steroid prednisone during the second and third trimester of pregnancy and while breastfeeding. Experts also consider Plaquenil hydroxychloroquine. How Rheumatoid Arthritis Affects Pregnancy. Azathioprine - Safe In Breastfeeding. Hydroxychloroquine use while Breastfeeding. Is hydroxychloroquine Plaquenil safe to take if I'm pregnant or breastfeeding? Hydroxychloroquine should only be used in pregnant women for malaria prophylaxis or treatment. Hydroxychloroquine may be secreted in breast milk and may cause side effects in the infant. Do not take more or less of it or take it more often than prescribed by your doctor. If you are taking hydroxychloroquine for symptoms of rheumatoid arthritis, your symptoms should improve within 6 months. If your rheumatoid arthritis symptoms do not improve, or if they worsen, stop taking the drug and call your doctor. Of these, 118 women used the DMARD during their pregnancy or while breastfeeding, with 149 children exposed to hydroxychloroquine during the neonatal or postnatal periods. The majority of women n = 76 used the drug during pregnancy and breastfeeding, 42 during pregnancy only, and 4 only while they were breastfeeding.