Levitra vardenafil : This medication is taken one hour before sex and can last up to 24 hours. Most erectile dysfunction medications belong to the drug class known as PDE5 inhibitors , which help relax the muscles and increase blood flow to allow for a full erection. What Are the Symptoms of Erectile Dysfunction? Medical consultations were also taken into consideration, as PDE5 inhibitors require a valid prescription from a licensed medical provider. Here are some key factors to consider when deciding: Pricing: Know how much your monthly supply will cost with shipping and tax. Counterfeit medicines can be very dangerous. Follow-up support: Make sure you can get the help you need if questions or concerns arise after ordering.Tadalafil is a medicine used to treat erectile dysfunction (ED, also called impotence) and problems with urination caused by an enlarged prostate (benign prostatic hypertrophy or BPH). It is sometimes known by its generic name tadalafil, and sometimes known by its trade name, Cialis. There are also other brands of this medicine available. We would like to show you a description here but the site won’t allow test1.ru more. We have good news for you: generic Cialis, used to treat erectile dysfunction (ED)and enlarged prostates, just hit pharmacies. Prices for the generic, known as .