Class: PDE5 Inhibitor
Type: Oral
Dosage: 1 tablet as needed
Active half-life: 17.5 hours (Cialis), 3-5 hours (Viagra)
Dosage (men): 1 tablet as needed, approximately 30-60 minutes before sexual activity
Aromatization: No
Hepatotoxicity: Low
Holds water: No
Base: Oral tablet
Packaging: Tablets