About Levitra

How does Levitra works?
Levitra administration and dosage
Levitra contraindications and side-effects
Levitra testimonials

Levitra (vardenafil) is another oral medicine used in treating erectile dysfunction, a PDE5 Inhibitor like Viagra and Cialis. What is new about Levitra is that is uses different active ingredients than other medications taken by mouth. Active ingredients in Levitra are more concentrated then in Cialis or Viagra, therefore patients will be less affected by side effects and will longer enjoy its effectiveness.

Levitra achieved positive results even in patients who were affected by diabetes, prostate surgery or other health risk factors. Men with erectile deficiencies claimed to be highly satisfied by Levitra the first time they used it. In major clinical trials on ED population Levitra proved effective for a majority of subjects creating harder erections and an improved overall sexual life. Levitra is available in the USA and in most European countries and aims both men who need occasional help and men who need permanent assistance in getting and keeping an erection.

Clinical trials show that Levitra provides rapid, consistent satisfactory results in all men no matter age.

About GSK

GlaxoSmithKlein is an important research-centered pharmaceutical company headquarted in the UK and with operational basis in the US. GSK owns approximately 7% of the world's pharmaceutical market.
According to 2003 Annual Results, GSK registered sales of $35, 2 billion and a profit before tax of $11 billion.
Over 100,000 employees of different nationalities work in GSK and the company spans over more than 35 countries.

The Food and Drug Administration (FDA) in the USA finally approved Levitra (vardenafil) for use in August in 2003 with a patent set to expire on August 19th, 2008. at the moment vardenafil can also be found on the shelves of the European pharmacies and in Canada. Levitra is quickly absorbed from the blood stream with nearly 15% bioavailability. Vardenafil's maximum plasma concentration takes place between half an hour and 2 hours after swallowing the pill. Levitra shouldn't be taken less than 1 hour before sexual intercourse as the producing label states it.

The medicine is largely metabolized in the liver and break down products are eliminated in excretion (more than 90%) and in urine (an average of 4%). The enzyme in the liver involved in metabolizing Levitra is known as CYP3A4 and the process is developed to a lesser extent CYPC2.