Sildenafil Citrate in sildalist strong tablet is a combination therapy for Erectile Dysfunction. This medicine functions by stopping the PDE5 enzyme. 

This inhibition boosts the cyclic Guanosine Monophosphate (cGMP) levels. Thus allowing more blood to flow to induce an erection.

Sildalist tablet (100+20)mg is also used in treating Pulmonary Arterial Hypertension (PAH).