PT - JOURNAL ARTICLE AU - Zina Levichek AU - Gardana Atanackovic AU - Dick Oepkes AU - Carolyn Maltepe AU - Adrienne Einarson AU - Laura Magee AU - Gideon Koren TI - Nausea and vomiting of pregnancy. Evidence-based treatment algorithm. DP - 2002 Feb 01 TA - Canadian Family Physician PG - 267--268 VI - 48 IP - 2 4099 - http://www.cfp.ca/content/48/2/267.short 4100 - http://www.cfp.ca/content/48/2/267.full SO - Can Fam Physician2002 Feb 01; 48 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.