Can I take Viagra?

Viagra is a medicine for the treatment of the erectile dysfunction, male impotence or erection problems. You can take the tablets when you want to have a sexual relation as long as users limit themselves to one a day. Viagra, tadalafil also known as Cialis®, and vardenafil also known as Levitra  is a medicine that is used to help the men who suffer of erectile dysfunction and which they cannot obtain an erection sufficient and satisfactory to maintain a relation sexual. Viagra is a medication for the men, reason why the women shouldn’t take it. Single you can buy Viagra with a valid medical prescription.

How Viagra, Levitra and Cialis® work:

Viagra increases the sanguineous flow that arrives to men at their penis. When a man has some sexual stimulus, certain chemical substances are freed and they trigger the process of the erection. These substances are responsible for the relaxation of the muscular weaves, causing that the cavernous bodies of the penis fill of blood. The blood vessels are the ones in charge to take the blood to the penis. If these glasses and the nervous completions that facilitate this process do not work correctly, the  result is erectile dysfunction. The effects of Viagra tadalafil also known as Cialis®, and vardenafil also known as Levitra can be felt in about 30 minutes and can last up to 4 hours. Nevertheless, to obtain the erection the man must have some sexual stimulation, although libido and general “hornyness” increases a lot.. Viagra and other Sildenafil Citrate compound like tadalafil, levitra, verdanafil and cialis® have an effectiveness rate of a 80% to 90%