Caverta is a medication containing Sildenafil Citrate, a phosphodiesterase type 5 (PDE5) inhibitor, primarily used to treat Erectile Dysfunction (ED) in men. It is a trusted solution for improving blood flow to the penis, enabling better and more sustained erections during sexual activity. Caverta is a medication containing Sildenafil Citrate, a phosphodiesterase type 5 (PDE5) inhibitor, primarily used to treat Erectile Dysfunction (ED) in men. It is a trusted solution for improving blood flow to the penis, enabling better and more sustained erections during sexual activity. Caverta is a medication containing Sildenafil Citrate, a phosphodiesterase type 5 (PDE5) inhibitor, primarily used to treat Erectile Dysfunction (ED) in men. It is a trusted solution for improving blood flow to the penis, enabling better and more sustained erections during sexual activity.