Table 6.
Drug-related side-effects
| Side-effect, n (%) | Tadalafil 5 mg (N = 27) | Placebo (N = 28) | P |
|---|---|---|---|
| Headache | 5 (18.5) | 0 | 0.005 |
| Back pain and myalgia | 2 (7.4) | 0 | |
| Flushing | 3 (11.1) | 0 | |
| Total | 10 (37) | 0 |
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