Cialis 40 mg is a higher-strength medication commonly used to treat erectile dysfunction (ED) in men who do not achieve desired results with lower doses. It contains tadalafil, a PDE5 inhibitor that works by increasing blood flow to the penile region, helping men achieve and maintain a firm erection during sexual stimulation. One of the key advantages of Cialis is its long duration of action, which can last up to 36 hours, allowing for greater flexibility and spontaneity. Medicines like Cialis 40 mg are often recommended by healthcare professionals when ED symptoms are more persistent or severe. In addition to improving erectile function, tadalafil may also help relax blood vessels and improve overall sexual confidence. However, Cialis 40 mg should only be taken under medical guidance, as higher doses may increase the risk of side effects such as headache, flushing, or dizziness. When used responsibly, Cialis 40 mg can be an effective option for managing erectile dysfunction and enhancing quality of life.