Vidalista 40 contains Tadalafil, which is known for its long duration of action compared to many other ED medicines. When it stops working In most people, Vidalista 40 gradually stops working after about 24 to 36 hours. However, it’s important to understand what “stops working” means: It does not stay active continuously causing erections Instead, its ability to help you get an erection during sexual stimulation slowly decreases over time Typical timeline 30–60 minutes after taking: starts working 2–12 hours: strongest effect Vidalista 40 to 24 hours: still effective for most users 24–36 hours: effects fade and usually stop Some people may feel mild residual effect slightly longer, but reliable performance is usually within that window. Why duration varies The effect can last longer or shorter depending on: Age and metabolism Food and alcohol intake Liver/kidney function Dose strength (40 mg is a higher-than-usual dose) Overall health and blood flow conditions Important note about Vidalista 40 Vidalista 40 is a high-dose form, and higher doses do not necessarily mean longer duration—only stronger effect, which may also increase side effects like headache, back pain, or dizziness. Simple summary Starts working: ~30–60 minutes Strong effect: same day Fully wears off: usually within 1–1.5 days (24–36 hours) If you want, I can also explain how Vidalista 40 compares with Vidalista 20 or Sildenafil in terms of duration, strength, and safety, so you can see which one is typically preferred in real medical use.