Antibiotic Falls Short in Disc-Related Back Pain - Summary - MDSpire

Antibiotic Falls Short in Disc-Related Back Pain

  • By

  • Kathryn Wighton

  • May 28, 2026

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Objective:

To assess the efficacy of amoxicillin-clavulanate in reducing pain among patients with chronic low back pain and disc herniation compared to placebo.

Key Findings:
  • At 12 months, mean pain reduction was 1.0 point for amoxicillin-clavulanate vs 1.1 points for placebo, with no significant difference.
  • No differences in disability, work absence, or psychological measures were observed between groups at 12 months.
  • Subgroup analyses did not show pain benefit among patients with Modic changes.
Interpretation:

The findings indicate that amoxicillin-clavulanate did not show a significant difference in pain relief compared to placebo.

Limitations:
  • The trial was not primarily powered to test efficacy in patients with Modic changes.
  • Generalizability may be limited as most patients were recruited from the community.
  • Missing data for 18 patients and discontinuation of antimicrobial resistance sampling.
Conclusion:

The results indicate uncertainty regarding the efficacy of antibiotics for chronic low back pain with disc herniation.

Original Source(s)

Antibiotic Falls Short in Disc-Related Back Pain

  • by Kathryn Wighton

  • May 28, 2026

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