Efficacy and safety of ozone autohemotherapy for zoster-associated pain: a meta-analysis and trial sequential analysis.

Results revealed that the O3-AHT group’s improvement effect on patient sleep quality demonstrated a positive trend of enhancement over time ( Table 3 ). 3.3.6 Adverse reactions Eight studies reported adverse events ( 13 , 16 , 17 , 32–34 , 36 , 37 ), primarily including mild dizziness, nausea, and local discomfort.

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