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Antihistamines for Morning Sickness

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Overview

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.

Do not confuse Unisom SleepTabs with Unisom SleepGels, which contain a different medicine.

If home treatment does not work for you, talk to your doctor about medicine that may help relieve your symptoms.

Common side effects of these medicines may include:

  • Drowsiness.
  • Dry mouth, nose, or throat.
  • Stomach upset.

References

Citations

  1. Committee on Obstetric Practice (2018). Nausea and vomiting of pregnancy. ACOG Practice Bulletin No. 189. Obstetrics and Gynecology, 131(1): e15–e30. DOI: 10.1097/AOG.0000000000002456. Accessed July 18, 2018.

Credits

Current as of: November 9, 2022

Author: Healthwise Staff
Medical Review:
Sarah Marshall MD - Family Medicine
Adam Husney MD - Family Medicine
Kathleen Romito MD - Family Medicine
Kirtly Jones MD - Obstetrics and Gynecology

The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.