RT Journal Article SR Electronic T1 Nausea and vomiting of pregnancy. Evidence-based treatment algorithm. JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 267 OP 268 VO 48 IS 2 A1 Zina Levichek A1 Gardana Atanackovic A1 Dick Oepkes A1 Carolyn Maltepe A1 Adrienne Einarson A1 Laura Magee A1 Gideon Koren YR 2002 UL http://www.cfp.ca/content/48/2/267.abstract AB QUESTION: One of my patients suffers from a moderate-to-severe form of morning sickness. She responded only partially to doxylamine and pyridoxine (Dicletin), and I wish to try adding another medication. What should my priority be? ANSWER: An algorithm used by Motherisk to manage thousands of patients takes a hierarchical approach to this condition. This approach is evidence based with regard to fetal safety as well as efficacy.