Skip to Content
Home > Wellness > Health Library > Antihistamines for Morning Sickness
Certain antihistamines such as dimenhydrinate or doxylamine, taken as your doctor advises, may relieve morning
sickness.footnote 1 Doxylamine (Unisom SleepTabs) is available over-the-counter. If one of these
antihistamines alone does not relieve your morning sickness, you can try taking
it with vitamin B6.footnote 1 Talk to your doctor about the right dose.
Note: Do not confuse Unisom SleepTabs with Unisom SleepGels, which contain
a different medicine.
A prescription medicine that combines doxylamine and vitamin B6 in one medicine (called Diclegis) is also available to treat morning sickness.
Common side effects of these medicines may include:
Health Tools help you make wise health decisions or take action to improve your health.
Kelly TF, Savides TJ (2009). Gastrointestinal disease in pregnancy. In RK Creasy et al., eds., Creasy and Resnik's Maternal-Fetal Medicine: Principles and Practice, 6th ed., pp. 1041–1057. Philadelphia: Saunders Elsevier.
ByHealthwise StaffPrimary Medical ReviewerSarah Marshall, MD - Family MedicineSpecialist Medical ReviewerKirtly Jones, MD - Obstetrics and Gynecology
Current as ofAugust 6, 2014
Current as of:
August 6, 2014
Sarah Marshall, MD - Family Medicine & Kirtly Jones, MD - Obstetrics and Gynecology
How this information was developed to help you make better health decisions.
To learn more, visit Healthwise.org
© 1995-2015 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.
You'll find Decision Points to help you answer questions about:
Get started learning more about your health!
Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.