<unk> (injection) is an ergot alkaloid that is FDA approved for the treatment of for routine management after delivery of the placenta, postpartum atony, hemorrhage and subinvolution. Under full obstetric supervision, it may be given in the second stage of labor following delivery of the anterior shoulder.   Common adverse reactions include hypertension, headache.
Methylergonovine 
Isoxsuprine
Midodrine
Halofantrine
Iotrolan
Oxymetazoline
Etilefrine
Minaprine