| Therapy | Adverse reactions (% of patients) |
|---|---|
| Alpha blockers | Dizziness (19) |
| Fatigue/malaise (12) | |
| Edema (2.7) | |
| Dyspnea (2.6) | |
| Hypotension (1.7) | |
| Selective alpha blockers | Dizziness (14 to 17) |
| Retrograde ejaculation (8 to 18) | |
| First-dose orthostasis/syncope (7) | |
| Somnolence (3 to 7) | |
| 5-Alpha reductase inhibitors | Erectile dysfunction (1 to 10) |
| Decreased semen production (1 to 10) | |
| Decreased libido (1 to 10) | |
| Gynecomastia (0.1 to 1) | |
| Ejaculation disorders (0.1 to 1) |