How effective is Caverta than Viagra?
Caverta (tadalafil) and Viagra (sildenafil) are two oral medications used to treat impotence (the inability to sustain a maintain a penile erection) and BPH or benign prostatic hyperplasia They belong to the phosphodiesterase-5 (PDE5) inhibitor class, which also contains vardenafil avanafil. Thus, your doctor may recommend to buy Caverta online or buy Viagra online for treating penile dysfunction. The filling of sinusoidal nerves of the penis with blood causes the penile erection. Sexual arousal causes the creation and discharge of nitric oxide in the penis under normal circumstances. The enzyme guanylate cyclase is then activated, resulting in the formation of cyclic guanosine monophosphate (cGMP). The cGMP is principally responsible for the erection by influencing the volume of blood delivered and removed from the penis by the blood vessels. Caverta and Viagra work by inhibiting the enzyme phosphodiesterase-5 (PDE5), which breaks down cGMP. Caverta and Viagra prevent cGMP f