title: Methotrexate use in a breastfeeding patient with rheumatoid arthritis.
authors.affiliation: Rheumatologist, Chief Division of Rheumatology, Medical Director, The Arthritis Program, Southlake Regional Health Centre, Newmarket;
authors.forename: J Carter
authors.initials: JC
authors.lastname: Thorne
authors.affiliation: Rheumatology Fellow, University of Toronto, Adult Rheumatology program; thanu.nadarajah@gmail.com.
authors.forename: Thanu
authors.initials: T
authors.lastname: Nadarajah
authors.affiliation: Assistant Director, Motherisk Program/Division of Clinical Pharmacology and Toxicology, Hospital for Sick Children;
authors.forename: Myla
authors.initials: M
authors.lastname: Moretti
authors.affiliation: Division Head, Clinical Pharmacology and Toxicology, Department of Pediatrics, Hospital for Sick Children, Toronto, Ontario, Canada.
authors.forename: Shinya
authors.initials: S
authors.lastname: Ito
mesh_terms: D000328:Adult; D001172:Arthritis, Rheumatoid / Q000175:diagnosis / Q000188:drug therapy*; D001942:Breast Feeding; D004305:Dose-Response Relationship, Drug; D004334:Drug Administration Schedule; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D000068104:Infant Health; D007231:Infant, Newborn; D008727:Methotrexate / Q000097:blood* / Q000627:therapeutic use*; D008895:Milk, Human / Q000737:chemistry*; D061214:Patient Safety; D049590:Postpartum Period; D011247:Pregnancy; D018566:Pregnancy, High-Risk; D018570:Risk Assessment
chemical_list: D008727:Methotrexate