Sildenafil Citrate (genericSildenafil Citrate) is the first oral drug for male impotence. It works by dilating blood vessels in the penis, allowing the inflow of blood needed for an erection.Sildenafil Citrate causes erections only during sexual excitement. It does not work in the absence of arousal.
Before Using: If you have heart problems severe enough to make sexual activity a danger, you should avoid usingSildenafil Citrate.
Use it cautiously ---if at all--- if you've had a heart attack, stroke, or life-threatening heart irregularities within the past 6 months. Be equally cautious if you have severe high or low blood pressure, heart failure, or unstable angina (crushing heart pain that occurs at any time).
