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Causes


There are many causes for nausea, including the following:

Chemotherapy (drugs used to treat cancer)
Illness (e.g., stomach virus, gallbladder disease, food-borne illnesses)
Motion sickness
Nervous system disorders (e.g., vertigo migraine)
Pregnancy (e.g., morning sickness)


Nausea also can occur as a result of overeating; eating certain foods; and in response to unpleasant sights, smells, or mental images. ...Read the full article