Answer: The short version? Follow-up support: Make sure you can get the help you need if questions or concerns arise after ordering. So if you take Cialis, the chances are high that it will work. That’s not to say there aren’t just as many illegitimate sites. Levitra vardenafil : This medication is taken one hour before sex and can last up to 24 hours. Read more in our editorial policy. Is Cialis prescription only?Tadalafil (generic Cialis) may cost less than brand-name Cialis. (Generics tend to cost less than brand-name drugs.) The price you pay for generic Cialis also depends on your treatment plan. Cialis (tadalafil) is a popular medication used to treat erectile dysfunction. It’s available in tablets ranging from mg to 20mg. It can cost more than $ for a month’s supply, depending on the dosage you need and the pharmacy you visit. Cialis (tadalafil) is a member of the impotence agents drug class and is commonly used for Benign Prostatic Hyperplasia, and Erectile Dysfunction. The cost for Cialis oral tablet mg is around $ for a supply of 30 tablets, depending on the pharmacy you visit. Quoted prices are for cash-paying customers and are not valid with insurance.