It does not have to be taken around the time of sexual activity. It works faster than Cialis Single, starts working in minutes and has a longer duration of action. One of these is PAH. Some common side effects include headaches, back pain, nasal congestion, or flushing. However, because sexual stimulation is required to initiate the local penile release of nitric oxide, tadalafil’s inhibition of PDE5 will have no effect without sexual stimulation. Other uses for this medicine This medication may be prescribed for other uses; ask your doctor or pharmacist for more information. BPH : 5 mg by mouth daily.Generic Viagra (sildenafil) Cialis Daily Generic Cialis (tadalafil) Generic Cialis (tadalafil) Roman: $90 per dose: $4-$10 per dose: $$80 per dose: $8 per dose: $$44 per dose: Hims: $ per. Cialis can cost around $ to $ per month out of pocket, depending on the dosage you need. The first generic version of Cialis was released in October , and other manufacturers have released generic versions since then. This has increased market competition, driving prices down. How much does Cialis cost? Pack Size Cialis mg Cialis 5mg Cialis 10mg Cialis 20mg; 4 tablets–£ £ 8 tablets–£ £ 12 tablets–£ £ Tadalafil is the name of the active ingredient in Cialis and both generic Tadalafil and Cialis work in the same way. They have the same: effectiveness; dosages; .