Viagra is the breakthrough development in sexual medicine of the 1990s. Its active ingredient, sildenafil citrate, is a phosphodiesterase type 5 inhibitor, which quickly became the gold standard in pharmacological management of erectile dysfunction (ED). It is highly effective and generally safe that no other innovative therapy, of similar impact, has emerged since 1998. Since then, the focus of manufacturers has shifted to PDE5 inhibitors. Tadalafil (Cialis) and vardenafil (Levitra) have long joined the nearly saturated market.
PDE5 inhibitors: a game changing erectile dysfunction treatment
Male erectile disorder is characterized by Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR) as having a “persistent or recurrent inability to attain, or to maintain until completion of the sexual activity, an adequate erection.” The introduction of the most popular and widely used PDE5 inhibitor, Viagra, has revolutionized the management of a disorder, onc ...
Cialis is a prescription-only pill used to treat erectile dysfunction (ED) in men age 18 years and above.
It was granted US FDA approval in February 2003.
Under a different brand name, it is also used to treat pulmonary hypertension and benign prostatic hyperplasia.
Cialis helps men with ED to achieve and maintain an erection, but only in the presence of sexual arousal.
It takes at least 30 minutes for Cialis to take effect.
Cialis stays effective for up to 36 hours.
You should take this medication not more than once every 24 hours.
You should only take Cialis under the doctor’s supervision.
Cialis can be taken as needed or as a once-daily pill in a lower dose.
Tadalafil does not increase a woman’s libido or alter her sex drive in any way.
How long does it take for Cialis to take effect?
You’ll notice the effects of Cialis within 30 minutes of taking the “as needed” dose. It continues to be effe ...