mass 488.604 g/molPharmacokinetic dataBioavailability 15%Protein binding what is better viagra or levitra Hepatic (CYP3A4)Half life 4–5 hoursExcretion BiliaryTherapeutic considerationsPregnancy cat. B3 (Au), B (U.S.)Legal status Prescription Only (S4)(AU) POM(UK) ?-only(US)Routes OralVardenafil (INN) what is better viagra or levitra a PDE5 inhibitor used for treating impotence.

a warning about possible deafness (sudden hearing what is better viagra or levitra would be added to what is better viagra or levitra drug labels of Vardenafil, and other PDE5 inhibitor; it is closely related in function to sildenafil (Viagra) and tadalafil (Cialis). Structurally, the difference between a vardenafil molecule and the others is a PDE5 inhibitor used for treating impotence (erectile dysfunction) what is better viagra or levitra is sold under the trade name what is better viagra or levitra As of 2005, the co-promotion rights of GSK on Levitra have been returned to Bayer in many markets outside the U.S. In Italy, Bayer sells vardenafil as what is better viagra or levitra and GSK sells it as Vivanza, thus, because of European Union trade rules, parallel what is better viagra or levitra might result in Vivanza sold next to Levitra in the E.U.[edit] Clinical useMain article: what is better viagra or levitra inhibitorVardenafil's indications and contra-indications are the same as with other PDE5 inhibitors. The what is better viagra or levitra vardenafil-specific side effect is nausea; the infrequent side what is better viagra or levitra are: abdominal pain, back pain, photosensitivity, abnormal vision, eye pain, facial.

cat. B3 (Au), B (U.S.)Legal status Prescription Only (S4)(AU) POM(UK) ?-only(US)Routes OralVardenafil (INN) is OralVardenafil.