The four main medicines taken by mouth for erectile dysfunction are: Avanafil Stendra. Therefore, the use of such combinations is not recommended. In vivo studies: Nitrates: The blood pressure lowering effects of sublingual nitrates 0. Vardenafil may cause side effects. These small differences affect the way each medication works, such as how quickly it takes effect and wears off, and the possible side effects.Vardenafil is in a class of medications called phosphodiesterase (PDE) inhibitors. It works by increasing blood flow to the penis during sexual stimulation. This increased blood flow can cause an erection. Vardenafil does not cure erectile dysfunction or increase sexual desire. Vardenafil does not prevent pregnancy or the spread of sexually. AdMale UltraCore is designed to give men better erections via potent, premium ingredients. See Massive Results. Increase erection size and hardness for your bedroom ry Leaders · Watch Video · Fully Equipped · Custom Formulation. The drugs are phosphodiesterase 5 (PDE5) inhibitors, and their brand and generic names, respectively, are Viagra (sildenafil), Cialis (tadalafil), Levitra (vardenafil), and Stendra (avanafil.
