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Nausea and Vomiting: Cause and Effect

What Causes Nausea and Vomiting?

Nausea and vomiting can be caused by a lot of things, including:

  • an infection or virus

  • eating food that is hard to digest

  • anxiety

  • motion sickness

  • medications

  • pregnancy

Nausea and vomiting can also be caused by cancer itself (especially cancers of the stomach, liver, and colon), or by your chemotherapy and/or radiation therapy.

Serious cases of nausea and vomiting can lead to the following medical problems, each of which can result in hospitalization:

  • dehydration (loss of body fluids and nutrients)

  • loss of sodium and other electrolytes

  • reduced ability to think clearly

  • weight loss

  • scratches or cuts in the throat (esophagus)

  • fractures

  • slow healing of wounds

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