Generic Tadalafil 20mg are a popular medication used to treat erectile dysfunction (ED) in men. The active ingredient, Tadalafil, works by increasing blood flow to the penis, helping men achieve and maintain an erection during sexual activity. Vidalista is taken orally, typically 30 minutes before sexual activity, and can last up to 36 hours, earning it the nickname “The Weekend Pill.” It’s important to follow the prescribed dosage and consult a healthcare provider before use, especially for individuals with certain medical conditions. Common side effects may include headache, dizziness, or upset stomach.