Pituitary and hypothalamic hormones and analogues, Posterior pituitary lobe hormones, Oxytocin and analogues

The active ingredient is synthetic oxytocin which is a nature-identical nanopeptide. Oxytocin is a hormone which enhances the contractility of the uterus muscle especially during parturition and post partum, it also evokes let-down of milk. It has no vasopressor or antidiuretic activity.

Following injection, oxytocin has a rapid onset of activity as physiological effects are usually detected within minutes following administration. Oxytocin is cleared very fast, as its mean half life of distribution is around 2 minutes while its half life of elimination is around 12 minutes.