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Adverse events on sildenafil and tadalafil in 29 patients
| sildenafil number (%) |
tadalafil number (%) |
|
|---|---|---|
| Symptoms due to PAH | ||
| fatigue | 7 (24) | 6 (21) |
| chest pain | 3 (10) | 0 (0) |
| dyspnea | 1 (3) | 1 (3) |
| syncope | 1 (3) | 0 (0) |
| Side effects | ||
| headache* | 4 (21) | 4 (21) |
| nausea | 2 (7) | 2 (7) |
| flushing | 1 (3) | 1 (3) |
| myalgia | 0 (0) | 1 (3) |
| nasal congestion | 0 (0) | 1 (3) |
| others | erection 1 | |
| clitoral and facial swelling 1 | clitoral and facial swelling 1 | |
PAH; pulmonary arterial hypertension
including migraine
