The adverse drug reactions for levobupivacaine are consistent with those known for its respective class of medicinal products. The most commonly reported adverse drug reactions are hypotension, nausea, anaemia, vomiting, dizziness, headache, pyrexia, procedural pain, back pain and foetal distress syndrome in obstetric use (see table below).
Adverse reactions reported either spontaneously or observed in clinical trials are depicted in the following table. Within each organ or system, the adverse drug reactions are decreasingly ranked under headings of frequency, using the following convention: very common (≥1/10), common (≥1/100, <1/10), uncommon (≥1/1000, <1/100), not known (cannot be estimated from the available data).
8 text below). 8 text below). Adverse reactions with local anaesthetics of the amide type are rare, but they may occur as a result of overdosage or unintentional intravascular injection and may be serious. 3). Accidental intrathecal injection of local anaesthetics can lead to very high spinal anaesthesia.
Cardiovascular effects are related to depression of the conduction system of the heart and a reduction in myocardial excitability and contractility. e. convulsions, but in rare cases, cardiac arrest may occur without prodromal CNS effects.
Neurological damage is a rare but well recognised consequence of regional and particularly epidural and spinal anaesthesia. It may be due to direct injury to the spinal cord or spinal nerves, anterior spinal artery syndrome, injection of an irritant substance or an injection of a non-sterile solution.
Rarely, these may be permanent. There have been reports of prolonged weakness or sensory disturbance, some of which may have been permanent, in association with levobupivacaine therapy. It is difficult to determine whether the long-term effects where the result of medication toxicity or unrecognized trauma during surgery or other mechanical factors, such as catheter insertion and manipulation.
Reports have been received of cauda equina syndrome or signs and symptoms of potential injury to the base of the spinal cord or spinal nerve roots (including lower extremity paraesthesia, weakness or paralysis, loss of bowel control and/or bladder control and priapism) associated with levobupivacaine administration.
4). However, it cannot be determined whether these events are due to an effect of levobupivacaine, mechanical trauma to the spinal cord or spinal nerve roots, or blood collection at the base of the spine. There have also been reports of transient Horner's syndrome (ptosis, miosis, enophthalmos, unilateral sweating and/or flushing) in association with use of regional anaesthetics, including levobupivacaine.
This event resolves with discontinuation of therapy. Reporting of suspected adverse reactions Reporting suspected adverse reactions after authorisation of the medicinal product is important. It allows continued monitoring of the benefit/risk balance of the medicinal product.
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