Our pharmaceuticals business discovers, develops and makes medicines to treat a broad range of the world's most common acute and chronic diseases. Vardenafil is a PDE5 inhibitor used for treating erectile dysfunction that is sold under the trade As of , 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. GlaxoSmithKline and Bayer, the British and German drug groups, are Levitra, an orange coloured pill, will compete directly against Viagra. Robert Fisk. News videos. Tadalafil is structurally different levitra shortage both sildenafil and vardenafil. There are no Independent Premium comments yet - be the first to add your thoughts. US Politics. Jeremy Corbyn. Create a commenting name to join the debate Submit. Kevin Scotcher, analyst at SG Cowen, said Levitra's approval had come earlier than expected, giving it an estimated three month head start over Cialis, which had been first to market in Europe. Tech culture. Our vaccines Our vaccines business develops, produces and distributes over 1. Read latest levitda.