How effective is Cialis? Daily use of “on-demand” medication is not recommended. If you have any of these conditions, discuss with your doctor how Cialis Tadalafil may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Cialis Tadalafil , and whether any special monitoring is needed. How long does it take Cialis to work? Usually, Cialis will start to work within 30 to 60 minutes, so take it at least a half hour before you plan to have sex.Brand Name Cialis Common Name tadalafil In this drug factsheet: How does this medication work? What will it do for me? How should I use this medication? What form Missing: toronto. CIALIS VIAGRA Toll Free Phone: Toll Free Fax: 24 hours / 7 days a week See what customers have to say about our products and services. .