Lorfan

drug (trade name Lorfan) that is related to morphine but that counteracts the respiratory depression produced by morphine poisoning but without affecting its analgesic effects

モルヒネに関連する薬物（商品名ロルファン）；鎮痛効果を損なうことなくモルヒネ中毒による呼吸抑制を打ち消す