system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the drug is not comonly used in PPH?
assistant
The correct answer is  Atonicity is the most common cause of PPH. Any drug which increases the tone of uterus or the force of contraction is used to control PPH and is called oxytocic.
Commonly used oxytocics in the management of PPH are:

Oxytocin
Methergin
Syntometrine – oxytocin + methergin
15 methyl PGF2a (carboprost)
Misoprostol (PGE1)