A nanohybrid system for taste masking of sildenafil - PMC

The drug molecules may be distributed on the surface of the polymeric encapsulant slightly, which may still cause a bitter taste. The delayed dissolution of polymers may still inhibit rapid onset of drug release and the systemic absorption of drugs may be retarded altogether. ... Viagra ® or AEA-coated SDN ...

Why Do Pills Taste So Bad And Bitter? - IFLScience

Bitter taste is thought to have evolved as a deterrent against ingesting toxic substances. Since drugs can be toxic in high enough quantities, it's a plus that many of us find the taste of pills ...

WO2009074995A1 - Taste masked chewable compositions of sildenafil ...

The present invention relates to chewable solid pharmaceutical compositions comprising sildenafil citrate. Sildenafil citrate is a very bitter drug, hence the conventional tablets, comprise of a film coating for aesthetic appearance and acceptability. Chewable tablets are usually uncoated and hence there is a need to mask the bitter taste of sildenafil to ensure patient acceptability.