Vilitra 10 has a dose strength of 10 mg. The right dosage of Vilitra 10 or Vilitra 40 tablets is one pill in 24 hours which should not be exceeded unless advised by the doctor. However, if an individual misses the dose, he must take it as soon as possible. One should use Vilitra 10 Vardenafil tablets when required or as prescribed by the doctor. Vilitra 10 or Vilitra 20 must be taken orally with a glass of water, with or without food. It must be taken about 30 to 60 minutes before sexual activity.