Vidalista 10 mg (which contains tadalafil), you generally need to wait about 30 minutes to 1 hour before it starts working. The time can vary depending on factors like your metabolism, whether you’ve eaten recently, and your overall health. Key Points: Effectiveness: The drug helps increase blood flow to the ***** only when you are *****ly stimulated, so it won’t automatically cause an erection. Duration: The effects can last up to 36 hours, which is why tadalafil is sometimes called the “weekend pill.” With food: Taking it with a heavy meal may slightly delay its onset. Frequency: Usually, it is recommended once per day or as prescribed by your doctor; do not take multiple doses in 24 hours. If you experience no effect after a couple of attempts, do not increase the dose on your own. Consult your doctor—they may adjust the dose or check for underlying causes of erectile dysfunction.