Take tadalafil at least 30 minutes before intercourse. Tadalafil usually reaches its peak blood concentration between 30 minutes and six hours. If you're prescribed tadalafil for use as needed, you'll ...

Is It Safe to Take Cialis Daily? Unlike other ED medications, such as Viagra® (sildenafil) and Levitra® (vardenafil), which work for four to five hours per dose, Cialis® (which contains the active ...

The FDA has approved Cialis (tadalafil) for once-daily use (2.5 mg and 5 mg) to treat erectile dysfunction (ED). Men who take this low-dose daily option as directed can attempt sexual activity at ...

In this study, we investigated the acute effects of tadalafil citrate at peak serum level on the CVS by evaluating serum oxidative status and PON-1 enzyme activity. This study included 36 patients ...

In the 1990s, the US drug firm Pfizer was developing drugs to treat angina. During early trials of these drugs, male participants reported a striking side effect: They were getting erections. This ...