Severe pruritus and myoclonus following intrathecal morphine administration in a dog |
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Authors: | Isabelle Iff Karin Valeskini Martina Mosing |
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Institution: | Clinic of Anaesthesiology and Perioperative Intensive Care, Veterinary University, Vienna, Austria. |
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Abstract: | During epidural needle placement in a 32-kg dog the subarachnoid space was punctured and half the intended dose of lidocaine, bupivacaine, and morphine was injected. After recovery from anesthesia the dog showed signs of severe pruritus of the tail base and limbs and myoclonus of the tail and hind limbs. Methadone, acepromazine, ketamine, buprenorphine, and butorphanol were administered to control myoclonus and pruritus, but were unsuccessful. Diazepam was used to control myoclonus until the effects of morphine abated. |
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