You should find a response to Sildenafil within 30 - 60 minutes after taking the pill. Taking Sildenafil after a heavy meal may slow the response slightly although I find food generally doesn't have a great effect. Most people notice a slightly flushed feeling, possibly slight nasal stuffiness and slight desensitisation of the head of the penis. Solid erection should then accompany sexual arousal.
- Sildenafil Information for Consumers
- Sildenafil Information for Healthcare Professionals (includes dosage details)
- Side Effects of Sildenafil (detailed)
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