This article discusses different techniques for penis enlargement with emphasis on herbal penis enlargement pills such as VigRX pills that apart from increasing the size of the penis treat impotence and improve sexual performance.

Called PDE5 inhibitors, these prescription medications for ED are the recommended first-line of treatment. Although, all the PDE5 inhibitors show the same system of action, these drugs do have some pharmacological dissimilarities that can be interpreted into having conflicting clinical effects.

Cialis, an approved erectile dysfunction drug, is manufactured by Eli Lilly and Company. Although there are other impotence drugs on the market to treat men with erectile dysfunction, Cialis is different because it is known to work for up to 36 hours after dosing.

Finasteride, in Propecia has no affinity for the androgen receptor. Inhibition of Type II 5a-reductase blocks the peripheral conversion of testosterone to DHT, resulting in significant decreases in serum and tissue DHT concentrations, helping reach 65% suppression within 24 hours of oral dosing.

This article is about Cialis-male impotence treatment. Cialis Tadalafil approved by FDA in December, 2003 has proved its efficiency in treating erectile dysfunction in men. The working mechanism of Cialis is similar to that of Viagra.