The present invention describes formulation of phosphodiesterase inhibitors type V, administered in the patient in need of treatment Male Erectile Dysfunction (MED), prepared by complexation with a complexing agent for taste masking of the bitter agent with rapid effect for oral administration and process for preparation thereof. The active drug is type V phosphodiesterase inhibitor, sildenafil citrate or the like . The complexed finished dosage form could be in the form of tablets, soft tablets, jelly, jelly cubes and liquids or the like thereof.