What is Nausea?

By Dr Ananya Mandal, MD

Nausea is a sensation of discomfort in the upper abdomen, accompanied by an urge to vomit. Also known of as qualm, nausea may be a side effect associated with several medications or a symptom of disease or disorder. Sometimes large, fatty or sugary meals may also lead to a feeling of nausea.

Nausea may occur for a variety of reasons that may not be particularly serious, such as in the case of motion sickness, or may be a symptom of a more damaging underlying pathology such as liver infection with the hepatitis virus. Nausea may also manifest during the early months of pregnancy, known of as morning sickness.

Some of the causes of nausea are:

Reviewed by , BSc


  1. http://www.dhhs.tas.gov.au/__data/assets/pdf_file/0004/36949/Nausea_and_Vomiting_Final290909_PCSSubComm.pdf
  2. http://www.fraserhealth.ca/media/14FHSymptomGuidelinesNausea.pdf
  3. http://www.cancer.org/acs/groups/cid/documents/webcontent/003200-pdf.pdf
  4. http://www.midwife.org/ACNM/files/ccLibraryFiles/Filename/000000000650/Nausea%20and%20Vomiting%20During%20Pregnancy.pdf
  5. http://www.nhs.uk/conditions/vomiting-adults/Pages/Introduction.aspx

Further Reading

Last Updated: Sep 25, 2013

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