levobupivacaine + fentanyl

Levobupivacaine + fentanyl is a combination of two drugs used primarily for regional anesthesia and analgesia, especially in procedures such as spinal or epidural anesthesia. Levobupivacaine is a long-acting amide-type local anesthetic that works by reversibly inhibiting sodium channels at the nodes of Ranvier in myelinated neurons, thereby blocking nerve impulse conduction and producing loss of sensation. Fentanyl is a potent synthetic opioid analgesic that acts mainly as an agonist at the mu-opioid receptor, leading to inhibition of pain pathways in the central nervous system. When combined, these agents provide faster onset and prolonged duration of sensory and motor block with enhanced postoperative analgesia compared to levobupivacaine alone[1][6]. This combination is commonly used for infraumbilical surgeries and labor analgesia due to its efficacy and safety profile[1][6].

Other names

levobupivacaine and fentanylfentanyl with levobupivacaine