It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. And caution is required if patients have certain heart conditions, diabetes, psoriasis etc. Plaquenil and cancer Plaquenil vasculitis Find patient medical information for Hydroxychloroquine Sulfate Bulk on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Newer information indicates that infants exposed to hydroxychloroquine during breastfeeding receive only small amounts of the drug in breastmilk. In a small number of infants up to at least 1 year of age, careful follow-up found no adverse effects on growth, vision or hearing. Thirty-three women who had been taking hydroxychloroquine sulfate for at least one year and were exclusively breastfeeding had hydroxychloroquine milk levels determined at 5 times over a 12-hour period just before and after a dose. Samples were taken at a median of 4 range 1 to 16 weeks postpartum. The most serious adverse effects affect the eye, with dose-related retinopathy as a concern even after hydroxychloroquine use is discontinued. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. Hydroxychloroquine sulfate pregnancy Plaquenil hydroxychloroquine sulfate dosing, indications., Hydroxychloroquine - Safe In Breastfeeding Can plaquenil cause stomach and esophagus problems Hydroxychloroquine should be used during pregnancy and lactation only if the benefit justifies the potential perinatal risk. The additional risk imposed by hydroxychloroquine on pregnancy appears modest, and the drug should not be withheld when necessary. Hydroxychloroquine Sulfate - an overview ScienceDirect Topics. Hydroxychloroquine - Drugs and Lactation Database LactMed.. Hydroxychloroquine Uses, Dosage & Side Effects -. Hydroxychloroquine HCQ for Recurrent Pregnancy Loss The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U. S. Federal Government. It does not appear to be safe during pregnancy. Hydroxychloroquine is in the antimalarial and 4-aminoquinoline families of medication. Hydroxychloroquine was approved for medical use in the United States in 1955. Hydroxychloroquine HCQ is often needed to manage disease activity in systemic lupus erythematosus SLE during pregnancy. The purpose of this study was to examine lupus activity and pregnancy outcomes in women with SLE treated or not treated with HCQ during pregnancy.