What should I talk to my doctor about when considering if Cialis is right for me? They can provide guidance on the right dosage and potential drug interactions. You’re always on and ready to go, without any need to schedule sex around your medication. Yes, but only from licensed and regulated pharmacies and with a valid prescription. The medication reaches its maximum concentration in your body approximately 30 minutes to six hours after use.from $ for 30 tablets. 10 mg Cialis oral tablet. from $2, for 30 tablets. Cialis oral tablet. from $2, for 30 tablets. Cialis Coupons, Copay Cards and Rebates. Cialis offers may take the form of printable coupons, rebates, savings or copay cards, trial offers, or free samples. Dosage range: mg to 5 mg. Frequency: once daily, regardless of the timing of sexual activity. Cialis’s recommended dosage when it’s taken as needed for ED is as follows. Dosage range: 5 mg to 20 mg. Frequency: one dose at least 30 minutes before sexual activity, with a maximum of one dose per day*. Compare prices and print coupons for Cialis (Tadalafil (Cialis)) and other drugs at CVS, Walgreens, and other pharmacies. Prices start at $