Valif 20mg pills, better known as Generic Vardenafil, contain the active ingredient vardenafil HCl and are used as oral therapy to treat erectile dysfunction in men. Medicines such as Valif (vardenaphile HCl tablets) belong to a group of drugs called phosphodiesterase type 5 inhibitors. Valif 20mg is taken orally about 30 minutes before sexual activity. The maximum recommended dose is 1 tablet per day. Valif 20mg pills can be taken with or without food and have a lasting effect of 7 hours.