Motherisk offers pregnant, planning and breastfeeding women answers to questions about morning sickness and the risk or safety of medications, herbs, diseases, chemical exposures and more.
 
Phone numbers include:

1-877-327-4636 - Alcohol and Substance
1-800-436-8477 - Morning Sickness
1-888-246-5840 - HIV and HIV Treatment
(416) 813-6780 - Motherisk's Home Line

For professionals, Motherisk provides teratogen information for health-care professionals and updates on Motherisk's continuing reproductive risk research.