Sexual Potency

 
Although Viagra, Levitra, and Cialis all work by inhibition of PDE5, tadalafil’s distinguishing pharmacologic feature is its longer half-life (17.5 hours) compared with Viagra and Levitra (4-5 hours). This longer half-life results in a longer duration of action and is, in part, responsible for the Cialis nickname of the “weekend pill.” This longer half-life also [...]

Like all medications, CIALIS may have some side effects. The most common side effects with CIALIS are headache, upset stomach, back pain, and muscle aches. These side effects usually go away after a few hours. Patients who get back pain and muscle aches usually get it 12 to 24 hours after taking CIALIS. Back pain [...]

CIALIS helps increase blood flow in the penis when a man is sexually stimulated.
CIALIS can help men with ED get and keep an erection satisfactory for sexual activity. Once a man has completed sexual activity, blood flow to his penis decreases, and his erection goes away.
CIALIS is clinically proven to improve erectile function in most [...]

CIALIS goes to work fast (in as little as 30 minutes in some men) and can work up to 36 hours, so you can take it at the time that works best for you.*
For example:
You can take Cialis and be ready to respond in as little as 30 minutes.**
You can take CIALIS in the morning [...]

Cialis is a phosphodiesterase inhibitor used to treat sexual function problems such as impotence or erectile dysfunction. In combination with sexual stimulation, Cialis works by helping the blood flow into the penis to achieve and maintain an erection. Cialis is not intended for use in women or children. Cialis will not protect against sexually transmitted [...]