Table 4

Side effects from placebo treatments at two weeks

Side effectNo (%) of participants
Sham acupuncture
Pain during treatment19 (15)
Increased pain after “removing” needle12 (10)
Redness or swelling4 (3)
Other13 (12)
Placebo pill
Drowsiness25 (20)
Dry mouth23 (19)
Restlessness9 (7)
Dizziness6 (5)
Headache5 (4)
Anxiety5 (4)
Nightmares4 (3)
Nausea4 (3)
Frequent urination2 (2)
Skin rash3 (2)