<unk>  has a medical use in obstetrics to facilitate delivery of the placenta and to prevent bleeding after childbirth by causing smooth muscle tissue in the blood vessel walls to narrow, thereby reducing blood flow. It is usually combined with oxytocin (Syntocinon) as syntometrine. It can induce spasm of the coronary arteries. It is used to diagnose variant (Prinzmetal's) angina.
Ergometrine
Methylergometrine
Indometacin
Indometacin farnesil
Drostanolone propionate
Xylometazoline
Alclometasone
Norgestimate