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Table 5 Adverse events (AEs) reported during the treatment phase and tapering off phase by >5% of participants

From: Transdermal fentanyl for the treatment of pain caused by osteoarthritis of the knee or hip: an open, multicentre study

Preferred term

Total AEs n (%)

Treatment phase (N = 104)

Nausea

51 (32%)

Vomiting

41 (26%)

Somnolence

25 (16%)

Dizziness

14 (9%)

Constipation

10 (6%)

Asthenia

9 (6%)

Pruritus

8 (5%)

Tapering off phase (N = 42)

Nausea

5 (10%)

Vomiting

3 (6%)