Judged: two independent readers; copy check clear.
Alfenta
Alfenta Alfenta is the hydrochloride form of alfentanil, a synthetic short-acting opioid.
Alfenta is the hydrochloride form of alfentanil, a synthetic short-acting opioid. It mainly acts at mu-opioid receptors to produce pain-relieving effects similar to morphine and can reduce the release of several neurotransmitters and hormones.