Nausea can arise from a wide range of physical and psychological stimuli:
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 Nausea
: 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
: High stress, anxiety, and emotional trauma can activate the autonomic nervous system, leading to "psychogenic" nausea. The Biology of Nausea The Biology of Nausea : Motion sickness from
: Motion sickness from travel, unpleasant odors, and extreme heat or humidity can trigger the brain's vomiting center.
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