Vidalista 20 is effective for men with erectile dysfunction (ED). Its active ingredient is tadalafil, which is a bit different from sildenafil (Cenforce). Here’s how it works and what to know: How Vidalista 20 works: Active ingredient: Tadalafil 20 mg Action: Increases blood flow to the ***** during ***** stimulation, helping achieve and maintain an erection. Onset: Usually works within 30 minutes to 1 hour. Duration: Can last up to 36 hours—much longer than sildenafil, which lasts 4–6 hours. Effectiveness: Effective in most men with ED, including those caused by diabetes, high blood pressure, stress, or aging. Works only with ***** stimulation—it doesn’t cause automatic erections. Safety notes: Take 1 tablet as needed, no more than once every 24 hours. Avoid if you take nitrates (for chest pain) or have serious heart, liver, or kidney problems. Common side effects: headache, flushing, upset stomach, back pain, or muscle aches.  Difference from Cenforce (sildenafil): Vidalista lasts much longer, so it’s sometimes called the “weekend pill.”