Tadarise 2.5 mg is a medication that contains the active ingredient tadalafil. Tadalafil is commonly used to treat erectile dysfunction (ED) in men. It belongs to a class of medications known as phosphodiesterase type 5 (PDE5) inhibitors, similar to sildenafil (Viagra) and vardenafil (Levitra). These medications work by increasing blood flow to the penis, helping men achieve and maintain an erection when sexually aroused.