Udenafil  has a  faster  onset of action  and  can be effective for up to 24 hours

Three Indian firms Belco Pharma, Umedica Laboratories and and Kilitch Drugs India Ltd are likely to be banned from importing drugs in Sri Lanka for two years for supplying drugs which are substandard in quality, reports said quoting Island daily of Sri Lanka.

Swedish drug maker AstraZeneca has filed a lawsuit against India's generic firm Lupin for allegedly violating its valid patents on its gastric reflux disease drug Nexium (esomeprazole magnesium delayed release capsules) though seeking to sell a generic version in US.

Atazanavir, a protease inhibitor drug by Bristol-Myers Squibb Company has been shown effective in adult patients infected with HIV-1, who are previously untreated.

Ranbaxy has a generic version of isotretinoin (Accutane) in US market branded as Isotret