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 ...

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 ...

Medically reviewed by Jamin Brahmbhatt, MD Key Takeaways Take Cialis at least two hours before sex for the best results.Avoid ...