Vidalista 2.5 is used to treat impotence in men, often known as erectile dysfunction. Tadalafil is a phosphodiesterase-5 inhibitor. It works by relaxing the blood vessels in your penis, which enhances blood flow to the region during erotic stimulation. When taking a medication with food or another medication, drug interactions usually occur. If you take illicit drugs, smoke, consume alcohol or caffeinated beverages, or engage in any of these activities, please let your doctor know as they may have an impact on the effectiveness of your medication. Vidalista 2.5 side effects include headaches, nausea, stuffy nose, back pain, impaired vision, and flushing in the face, neck, or chest.