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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: Addiction. 2015 Mar 29;110(6):1027–1034. doi: 10.1111/add.12895

Table 3.

Summary of adverse events.

Adverse Event Varenicline (n=67) Nicotine Patch (n=73) Total (N=140)
n % n % n %
Gastrointestinal 19 28.4% 22 30.1% 41 29.3%
Vivid Dreams 18 26.9% 23 31.5% 41 29.3%
Nausea 21 31.3% 8 11.0% 29 20.7%
Insomnia 13 19.4% 13 17.8% 26 18.6%
Irritability 8 11.9% 16 21.9% 24 17.1%
Headache 13 17.9% 11 15.1% 23 16.4%
Respiratory 7 10.4% 13 17.8% 20 14.3%
Skin Irritation at Patch Site 2 3.0% 13 17.8% 15 10.7%
Drowsiness/Fatigue 7 10.4% 7 9.6% 14 10.0%
Anxiety/Depression 4 6.0% 7 9.6% 11 7.9%
Dizziness/Lightheadedness 3 4.5% 8 11.0% 11 7.9%
Mouth Dryness 7 10.4% 4 5.5% 11 7.9%
Musculoskeletal 5 7.5% 5 6.8% 10 7.1%
Skin Irritation other than Patch Site 2 3.0% 7 9.6% 9 6.4%
Restlessness/Jitteriness 3 4.5% 5 6.8% 8 5.7%
Urinary/Genital 4 6.0% 4 5.5% 8 5.7%
Increased Heart Rate 1 1.5% 3 4.1% 4 2.9%
Fever 0 0% 1 1.4% 1 0.7%