Severe numbness of the mouth and tongue induced by piperacillin/tazobactam: a rare case report
Abstract
Background: Severe oral and tongue numbness induced by piperacillin/tazobactam is extremely rare.
Results: A 58-year-old man with bacterial pneumonia developed oral and tongue numbness, dyspnea, and pruritus approximately 4 minutes after intravenous infusion of piperacillin/tazobactam. Based on adverse drug reaction causality assessment, this event was identified as a previously unreported severe adverse drug reaction.
Discussion: This case suggests that during clinical use of piperacillin/tazobactam, clinicians should remain vigilant for rare but severe adverse drug reactions even when skin testing is negative, and strengthen medication monitoring to ensure medication safety.
How strong is the evidence?
Evidence Hub reads this as a case report, done in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health.
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