28 rows · 25 – 5 – mg: View Product: Cialis: Brand/Generic: $ – $ – 5 .This is a rare condition that more likely to occur if you have heart disease, high blood pressure, High Cholesterol, Diabetes, or eye problems, if you are more than 50 years old, or if you smoke. Felix also offers other brand name and generic medications. To get a prescription, all you have to do is discuss your situation with a licensed healthcare practitioner who can determine if it is an appropriate medication for you. 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. Also tell them about any supplements you take. · What is the dosage of Cialis? Get answers to common questions about the dosage of Cialis. What form does Cialis come in? Cialis comes as a tablet that you take . 28 rows · 25 – 5 – mg: View Product: Cialis: Brand/Generic: $ – $ – 5 .Talk to your doctor for more information. Can I get a prescription for Cialis online? If you are experiencing the symptoms of erectile dysfunction and are seeking a prescription for Cialis, talk to a doctor about whether it could be the right solution. Is Cialis safe for me? Grapefruit juice: Grapefruit juice can increase the amount of Cialis Tadalafil in your blood. Yes, you need to have a prescription for Cialis. The prices you see will also include the pharmacy fill fee based on your refill schedule.