Nausea

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

: High stress, anxiety, and emotional trauma can activate the autonomic nervous system, leading to "psychogenic" nausea. The Biology of Nausea Nausea

: 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. Nausea is the distressing, subjective sensation of needing

: Motion sickness from travel, unpleasant odors, and extreme heat or humidity can trigger the brain's vomiting center. The Biology of Nausea : Pregnancy (especially in

Nausea can arise from a wide range of physical and psychological stimuli: