However, all medications come with risks. What should I talk to my doctor about when considering if Cialis is right for me? A phone or video consultation is sometimes required for legal purposes. Emling S. Privacy: Confirm that your personal data and payment details are confidential. Cialis: Is one right for you?Cialis (branded Tadalafil) Cialis is a reliable, branded ED treatment that lasts up to 36hrs. Can be taken with food. Works in 30mins, lasts up to 36hrs. Works for 80% of men. 10mg 20mg. 4 tablets. Out of stock. 8 tablets. The recommended starting dose for Cialis intended for once daily use is mg, take at the same time each day, without regard to timing of sexual activity. This may be increased to 5mg/day based on need and tolerability. May be taken with or without food. Cialis is available as a generic, under the name tadalafil. 3.  · When taken once a day, CIALIS allows you to obtain an erection, when sexually stimulated, at any time point during the 24 hours of the day. Do not take once-a-day dosing and on-demand dosing.