The World Health Organization's ATC classification organizes medical drugs based on therapeutic properties, chemical
composition, and anatomy. It helps make essential medicines readily available globally and is widely used in the
pharmaceutical industry.
Ergometrine produces sustained tonic uterine contraction via agonist or partial agonist effects at myometrial 5-HT2 receptors and alpha-adrenergic receptors. Both upper and lower uterine segments are stimulated to contract in a tetanic manner.
