Sildenafil Citrate is a powerful selective inhibitor of cyclic guanosine monophosphate. It restores the impaired erectile function and provides a natural response to sexual arousal. Sildenafil has been successfully applied to treat erectile dysfunction, expressed by an inability to achieve or maintain an erection of the penis, sufficient for a satisfactory sexual intercourse. It is used by men who suffer from erectile dysfunction associated with age, psychogenic factors, and physiological problems. The most known Sildenfail based drug for the treatment of erectile dysfunction in Malaysia is brand-name Viagra. But nowadays there are a lot of equal in quality Indian generic equivalents of original Viagra. They are produced using the same or even improved formula and available in various, more comfortable to use forms, such as fruit jellies and capsules. More than 20 generic equivalents of original Viagra are presented here. All of them have different advantages over the common medication, for example, an improved action time or faster absorption.