There are two options for Cialis Daily: 2. There is no Cialis for women; only men should take it and its generic unbranded version, Tadalafil. Clinical trials are underway to find a medication that may potentially benefit female patients with HSDD. That means you can have erections whenever you want or need them. Cialis vs. Both Cialis and Viagra work quickly.Transfer your prescription for Tadalafil (Generic for Cialis, Oral Tablet) on Amazon Pharmacy. FREE SHIPPING for Prime members. CIALIS for Use as Needed. Creatinine clearance 30 to 50 mL/min: A starting dose of 5 mg not more than once per day is recommended, and the maximum dose is 10 mg not more than once in every 48 hours. Creatinine clearance less than 30 mL/min or on hemodialysis: The maximum dose is 5 mg not more than once in every 72 hours [see . 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*.