Comparison of onset and duration of action of different phosphodiesterase (PDE5) inhibitors
onset of action | duration of action (hours) | doses | |
sildenafil | 20-30 minutes; peak action 60 minutes | 4-6 | 25-50-100mg |
tadalafil | 60-120 minutes; peak action 120 minutes | 36-48 | 10-20mg |
vardenafil | 20-30 minutes; peak action 60 minutes | 4-6 | 5-10-20 mg |
The respective summary of products must be consulted before prescribing any of the drugs mentioned.
Reference:
- British Heart Foundation (factfile 6/2005).Drugs and Erectile Dysfunction.
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