This article was reviewed by Kelly Brown MD, MBA. If you’ve just started taking Cialis, don’t be alarmed if you feel a little off. Like other medications for the treatment of (ED), Cialis — and its ...

Viagra (sildenafil) and Cialis (tadalafil) are leading phosphodiesterase-5 (PDE5) inhibitors prescribed for erectile dysfunction (ED). Both enhance blood flow to the penis during sexual stimulation ...

Daily Cialis Side Effects Cialis has an impressively long half-life — one dose can last up to 36 hours (hence, its nickname “the weekend pill”). But you can also take Cialis daily at a lower dose if ...