What causes nausea?
Conditions that are known to cause nausea include infection, poisoning, malignancy (cancer), inflammation, trauma, obstruction, and other abnormal processes within the digestive, nervous, reproductive, cardiovascular, or endocrine systems.
Gastrointestinal causes of nausea
Nausea may arise from problems in the digestive tract including:
Food intolerances or allergies
Gastroesophageal reflux disease (GERD)
Irritable bowel syndrome
Overeating or eating a high-fat meal
Other causes of nausea
Nausea can also be caused by problems in body systems other than the digestive tract including:
Altitude sickness or motion sickness
Cancer and chemotherapy treatments
Exposure to smoke or toxic fumes or substances
Medication side effects
Pregnancy or morning sickness
Type 1 or Type 2 diabetes
Vertigo and labyrinthitis
Life-threatening causes of nausea
In some cases, nausea may be a symptom of a serious or life-threatening condition that should be immediately evaluated in an emergency setting.
Call your doctor or poison-control hotline immediately or take the child to an emergency care facility if you suspect poisoning or drug ingestion.
Increased intracranial pressure
What are the potential complications of nausea?
Left untreated, nausea can lead to serious complications including:
Dehydration due to a decreased desire to drink or ability to hold fluids
- Poor nutrition due to a decreased desire to eat
- Nausea. Women’s Health. http://www.womenshealthmag.com/health/conditions/nausea.
- Nausea and vomiting – adults. Medline Plus, a service of the National Library of Medicine National Institutes of Health. http://www.nlm.nih.gov/medlineplus/ency/article/003117.htm.
- Vomiting. Nemours. http://kidshealth.org/parent/firstaid_safe/emergencies/vomit.html.
What is nausea?
Nausea is a very common symptom that is often described as a feeling of queasiness or wooziness, or a need to vomit. Nausea accompanies a wide variety of mild to serious infections, diseases, conditions, and injuries, and it occurs in all age groups and populations.
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What other symptoms might occur with nausea?
Nausea may be accompanied by other symptoms depending on the underlying disease, disorder, or condition. Symptoms that frequently affect the digestive tract may also involve other body systems.
Digestive symptoms that may occur along with nauseaNausea may accompany other symptoms affecting the digestive tract including:
- Abdominal pain... Read more about nauseasymptoms