Characteristic Details Active Ingredient Tadalafil Dosage Strength 20mg Formulation Oral Tablet Administration As needed Indications Erectile Dysfunction Onset of Action 30 minutes Explore Cialis Extra Dosage Chemical Structure The active compound in Cialis Extra Dosage is Tadalafil. It belongs to a class of medications called phosphodiesterase-5 (PDE5) inhibitors. The chemical structure of Tadalafil is notable […]