There may be enough damage to the circulatory system that an erection is simply not possible. All any medication of this type does is to increase the blood flow. After a point, there is no fixing it.
is half of a 20mg viagra be effective
probably not although it may not be as effective.
It takes about 30 minutes to over an hour to be effective.
viagra
Use Viagra as per your medical expert tells you to take it. Take Viagra medicine about 1 hour before sexual activity. It can be taken with or without food. Do not take viagra more than once within 24 hours.
I know that a person can get some Viagra for this problem. I am not sure how effective it is, but the commercials tend to say that it actually works well.
decrease the activity of cyclic GMP phosphodiesterase in the smooth muscle cells of the penile blood vessels
The active ingredient in Viagra is sildenafil citrate. "Viagra" is the trade name used by Pfizer.
i never use Viagra
can i take viagra after bear...??
Pfizer are makes of Viagra
You can use Viagra if you have herpes.