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Updated: Oct 19, 2025

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Post-Tonsillectomy Ibuprofen: Is There a Dose-Dependent Bleeding Risk?

Steven D Losorelli1, Patrick Scheffler2, Z J Qian1

  • 1Department of Otolaryngology-Head & Neck Surgery, Stanford University School of Medicine, Stanford, California, U.S.A.

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|September 24, 2021
PubMed
Summary
This summary is machine-generated.

Ibuprofen does not increase the risk of post-tonsillectomy hemorrhage (PTH). This study found no significant difference in PTH rates when comparing ibuprofen use to non-NSAID controls, regardless of dosage.

Keywords:
Tonsillectomydose-dependenceibuprofenpediatricpost-tonsillectomy bleedpost-tonsillectomy hemorrhage

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Area of Science:

  • Otolaryngology
  • Pharmacology
  • Evidence-based Medicine

Background:

  • Post-tonsillectomy hemorrhage (PTH) is a serious complication.
  • Previous research suggested ibuprofen may elevate PTH risk.

Purpose of the Study:

  • To re-evaluate the association between ibuprofen and PTH with new data.
  • To investigate a potential dose-dependent effect of ibuprofen on PTH.

Main Methods:

  • Systematic review and meta-analysis of 12 studies comparing ibuprofen to non-NSAID controls.
  • Meta-regression analysis to assess ibuprofen dosage effects.
  • Retrospective review of 1,046 patients receiving 7.5 mg/kg ibuprofen.

Main Results:

  • Ibuprofen use was not linked to a higher PTH rate (OR, 0.21; 95% CI -0.15, 0.57).
  • No statistically significant dose-dependent effect of ibuprofen (5 vs. 10 mg/kg) on PTH was observed (OR, 1.32; 95% CI 0.30, 5.84).
  • Observed PTH rates: 2.29% (5 mg/kg), 4.65% (10 mg/kg), and 3.10% (7.5 mg/kg).

Conclusions:

  • No increased risk of PTH was found with commonly prescribed ibuprofen dosages.
  • Further research is needed to clarify potential dose-dependent differences in PTH risk.