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Erectile dysfunction is a distressing and embarrassing condition which affects millions of men. It is thought that on average one in ten men will experience some form of erectile dysfunction at some point in their life. Though the condition is more prevalent in older males it can occur at any age. It is defined as a man’s inability to achieve and erection while sexually aroused or maintain an erection during sexual activity.
Cialis is an effective treatment for erectile dysfunction that can be taken a daily to allow men to achieve erections at any time during the day. As it is now possible to purchase Cialis without prescription those who are in need of the drug can now purchase Cialis online through a variety of websites and online pharmacies as well as with prescription from a doctor or over the counter. Many men chose to purchase Cialis online because the condition can be highly embarrassing and it can be uncomfortable to discuss and since they can purchase Cialis no prescription necessary it’s a very simple process.
The difference between Cialis and other erectile dysfunction treatments, like Viagra, is that Cialis can be taken daily as opposed to prior to intercourse. This is because Cialis takes up to four times longer to be broken down by the body; it has what is called a longer half-life. Because of it’s popularity, men enjoy the option to purchase Cialis without prescription needed. Low dosages of Cialis can therefore be taken daily to maintain a constant level of the drug in the system allowing men to have erections when they please, not only after taking the treatment.
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When a man who doesn’t suffer from erectile dysfunction becomes aroused a series of reactions causes the blood vessels to the penis to dilate. This increases the blood flow to the corpa cavernosa, the muscle-like tissues than run either side of the penile shaft. The corpa cavernosa then becomes engorged with blood, swelling and stiffening the penis into an erection. Tadalafil online medications can help this process and can help men achieve an erection.
Erectile dysfunction occurs because of insufficient blood flow to the penis, this is caused by the constriction of the blood vessels by the phosphodiesterase type 5 enzyme, better known as PDE5. The PDE5 enzyme acts on the cells that line blood vessels causing them to contract, limiting blood flow.
Cialis is a PDE5 inhibitor which renders the enzyme inert; this enables the blood vessels to dilate, increasing blood flow which results in an erection. When the man is no longer aroused the PDE5 is no longer present so the Cialis had no effect and the man will lose his erection.