Contents
The Many Causes of Nausea: From Common to Complex
Published: Nov 22, 2023
Nausea can be triggered by a wide range of factors, from a simple stomach bug to serious medical conditions. Understanding the potential causes is crucial for proper treatment.
Digestive System Issues
Many causes of nausea originate in the digestive system. Gastroenteritis (stomach flu) is a common culprit, causing inflammation of the stomach and intestines. Other digestive triggers include food poisoning, acid reflux, ulcers, gallbladder disease, and pancreatitis. Chronic conditions like irritable bowel syndrome or celiac disease can also cause nausea.
Systemic Conditions
Sometimes nausea is a symptom of a condition affecting the whole body. Infections, especially viral illnesses, often cause nausea. Hormonal changes during pregnancy or menstruation can trigger nausea. Certain medications, including chemotherapy drugs, can have nausea as a side effect. Migraines, inner ear disorders, and brain injuries can also lead to nausea.
Psychological Factors
The mind-gut connection is powerful. Anxiety, stress, and depression can all manifest as nausea. Eating disorders like bulimia nervosa involve self-induced vomiting. Some people experience anticipatory nausea before stressful events. Chronic unexplained nausea may be related to functional gastrointestinal disorders.
Frequently Asked Questions
Yes, it's a common symptom of dehydration.
No, it can be triggered by other organs or the brain.
Yes, especially if postnasal drip irritates the stomach.
Complex Symptom
Nausea can be a challenging symptom to diagnose due to its many potential causes, but understanding the triggers is key to finding relief.
References
- Metz A, Hebbard G. Nausea and vomiting in adults--a diagnostic approach. Aust Fam Physician 2007; 36:688.
- Koch KL. Gastric dysrhythmias: a potential objective measure of nausea. Exp Brain Res 2014; 232:2553.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.
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