: Conditions like food poisoning, stomach ulcers, GERD, and gastroparesis (delayed stomach emptying) often disrupt normal digestive movement.
Nausea can arise from a wide range of physical and psychological stimuli: Nausea
: High stress, anxiety, and emotional trauma can activate the autonomic nervous system, leading to "psychogenic" nausea. The Biology of Nausea : Conditions like food poisoning, stomach ulcers, GERD,
Nausea is the distressing, subjective sensation of needing to vomit. It is not a disease itself but a powerful protective mechanism designed to warn the body against toxic ingestion or internal dysfunction. Common Triggers and Causes It is not a disease itself but a
: Pregnancy (especially in the first trimester), severe migraines, and chronic diseases like kidney or liver disorders are frequent causes. Additionally, chemotherapy and certain medications (like antibiotics or opioids) often list nausea as a primary side effect.
: Motion sickness from travel, unpleasant odors, and extreme heat or humidity can trigger the brain's vomiting center.
The sensation is coordinated by the in the medulla oblongata of the brain. It receives signals through several pathways: Nausea: a review of pathophysiology and therapeutics - PMC