Tadarise is a medication used to treat erectile dysfunction (ED) in men. It contains Tadalafil as its active ingredient, which is a phosphodiesterase type 5 (PDE5) inhibitor. Tadalafil works by increasing blood flow to the penis during sexual stimulation, helping men achieve and maintain an erection.  Tadarise contains Tadalafil as its active ingredient. Tadalafil is also found in other medications used to treat ED, such as Cialis. Dosage and Administration: The dosage of Tadarise can vary, and it's important to follow the prescribed dosage and instructions provided by your healthcare provider. It is typically taken orally with a full glass of water, about 30 minutes to 1 hour before sexual activity.