This study aiming to evaluate the analgesic effect of adding nalbuphine as an adjuvant to bupivacaine in superficial cervical plexus block during thyroid surgeries regarding first rescue analgesia in the first twenty-four hours postoperative, VAS score after extubation and complications such as postoperative nausea, vomiting and respiratory depression.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
time to first rescue analgesia (will be given to VAS score > 4) following surgery in the first 24 hours.
Timeframe: First 24 hours postoperative