Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Adverse events comparing willow bark and placebo.
| Willow Bark | Placebo | |
|---|---|---|
| Skin and appendage disorders | 9 | 7 |
| GI system disorders | 14 | 26 |
| Central and peripheral nervous system disorders | 14 | 19 |
| General disorders | 7 | 4 |
| Psychiatric | 1 | 0 |
| Cardiovascular disorder | 1 | 1 |
| Urinary system disorder | 1 | 2 |
| Vision disorders | 1 | 0 |
| Vascular disorders | 0 | 1 |
| Infections | 2 | 2 |
| Change in hemogram | 2 | 2 |
| Hypertriglyceridemia | 1 | 1 |
| Musculoskeletal system disorders | 4 | 5 |
| Disc prolapse | 1 | 0 |
| Other adverse events | 3 | 5 |
