Viagra, Cialis, and Levitra are all prescription only pills.
The active ingredient in Levitra is called vardenafil which belongs to the same class of medicines as Viagra and Cialis.
Viagra (sildenafil), Cialis (tadalafil) and Levitra (vardenafil) are best impotence drugs.
Viagra is effective in impotence treatment.
The most popular synthetic impotence drugs are the generic Viagra, Cialis and Levitra.
You should know that there are a variety of treatments besides Cialis – and the commonest are Viagra and Levitra.
Viagra is a prescription medicine, so you need prescription to take it.
Viagra, Cialis and Levitra work in the same way.
Cialis is medication that works by blocking an enzyme that leads to erectile dysfunction.
Cialis and Levitra are most effective impotence drugs.