Nausea and Vomiting - Causes

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What causes nausea or vomiting?

There are numerous causes of nausea and vomiting. These symptoms may be due to the following:

  • Acute gastritis (direct irritation of the stomach lining)
  • Central causes in which signals from the brain cause nausea and vomiting
  • Other illnesses not due to stomach problems
  • Medications and medical treatments
  • Mechanical obstruction of the bowel
Return to Nausea and Vomiting

See what others are saying

Comment from: shanleesat, 35-44 Female (Patient) Published: November 02

For about a year I have been waking up in the morning and immediately nauseous and then start vomiting. It only happens every four to six weeks and lasts for 3-4 days. I have gone to the E.R. for dehydration several times, and my regular m.d. is aware so he sent me to the stomach Dr. and they did find a hiatal hernia. I am currently taking medication for it daily, although still nauseated and vomiting every four to six weeks like clockwork. I am very tired of this and am desperate to find answers.

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Comment from: eartheart, 19-24 Female (Patient) Published: February 07

I been having horrible nausea and vomiting since I started taking medication to prevent HIV infection (post exposure prophylaxis) and unwanted pregnancy. I am worried the medication will not go into effect if I keep vomiting like this. I really need advice on how to curb the vomiting.

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