Generic Viagra Is The Brand Name For Sildenafil
A variety of vascular, hormonal, neurogenic, pharmacologic and psychological mechanisms are collectively involved in the active sexual performance. A problem anywhere in this mechanism would lead to the inability of men to attain and maintain an erect penis with sufficient rigidity to allow sexual intercourse. It is mainly seen in men past 65 years when the blood flow to the penis is decreased. If it occurs at a young age, it is usually due to neurogenic and psychogenic causes. Selective PDE-5 inhibitors are the drugs of choice which has been found effective in a majority of patients.
Sildenafil which was marketed in the US in 1998 became an instant hit among men suffering from impotency. Generic Viagra is the brand name for sildenafil which achieves peak blood levels in 1 to 2 hours. A recommended dose of 50 mg is taken before 1 hour of sexual intercourse. If 50 mg fails to do the trick, then it’s wise to go for 100 mg. An increase in the duration and degree of penile erection is reported even in men with diabetic neuropathy.
Generic Viagra also affects pulmonary circulation to a considerable extent and is used as a drug of choice in pulmonary hypertension.
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