Active Substance: Levobupivacaine (as HCl).
Overview
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This medicine contains an important and useful components, as it consists of
Levobupivacaine (as HCl)is available in the market in concentration
Levobupivacaine Hydrochloride
Epilepsy, respiratory impairment, impaired cardiac conduction, bradycardia, severe shock, acute porphyria, myasthenia gravis, renal or hepatic impairment. Pregnancy, lactation. Reduce dose in elderly or debilitated patients. Resuscitative equipment should be available. Do not use solutions containing adrenaline for anesth in appendages. Do not use solutions containing preservatives for caudal or epidural block.
Surgical anaesthesia, Peripheral nerve block, Infiltration anaesthesia, Acute pain
Not to be used in IV regional anesth (Bier's block) and paracervical block in obstetrics. Do not use 0.75% solution for epidural block in obstetrics. Hypovolaemia, complete heart block.
CNS effects such as restlessness, anxiety, dizziness, confusion, respiratory depression and convulsions. Neuromuscular and skeletal weakness, blurred vision, pupillary constriction, tinnitus. Hypotension, bradycardia and CV collapse which may lead to cardiac arrest. Rarely, hypersensitivity reactions.
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Levobupivacaine is a long acting local anaesthetic of the amide type. It is the S-enantiomer of bupivacaine. It blocks nerve conduction in sensory and motor nerves mainly by interacting with voltage sensitive sodium channels on the cell membrane. It also interferes with impulse transmission and conduction in other tissues. Levobupivacaine is given as the hydrochloride for infiltration anaesthesia and regional nerve blocks including epidural block. It is contraindicated in obstetric paracervical block and IV regional anaesthesia (Bier's block). The 0.75% solution is also contraindicated for epidural blocks in obstetrics.
Plasma levels may be reduced when used with enzyme-inducing drugs such as rifampicin. Substrates for or inhibitors of CYP3A4 and CYP1A2 may affect the plasma levels of levobupivacaine.
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