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Adverse effects of silodosin compared with tamsulosin and placebo
| Adverse effects | Silodosin (%) | Tamsulosin (%) | Placebo (%) |
|---|---|---|---|
| Retrograde ejaculation | 22.3–28.1 | 1.6 | 0–0.9 |
| Upper respiratory tract infection | 18.9 | 27.6 | 19.1 |
| Thirst | 10.3 | 3.6 | 4.5 |
| Loose stool | 9.1 | 3.6 | 5.6 |
| Urinary incontinence | 6.3 | 5.7 | 0 |
| Diarrhea | 2.6–6.9 | 6.8 | 5.6 |
| Dizziness | 3.2–5.1 | 7.3 | 4.5 |
| Orthostatic hypotension | 2.6 | – | 1.5 |
