Adverse events occurring in ≥2 participants | Ginseng (n=82) n (%) | Placebo (n=86) n (%) |
Upper respiratory tract infection | 19 (23.2) | 12 (14) |
Headache | 7 (8.5) | 9 (10.5) |
Back pain | 6 (7.3) | 0 |
Cystitis | 3 (3.7) | 0 |
Loss of balance | 2 (2.4) | 0 |
Ear infection | 2 (2.4) | 0 |
Sinusitis | 2 (2.4) | 0 |
Anxiety | 2 (2.4) | 0 |
Cough | 0 | 8 (9.3) |
Epistaxis | 0 | 5 (5.8) |
Insomnia | 0 | 3 (3.5) |
Hearing loss | 0 | 2 (2.3) |
Leg cramps | 0 | 2 (2.3) |
Conjunctivitis | 0 | 2 (2.3) |