Zenegra 100 mg is a medication commonly used to treat erectile dysfunction (ED) in men. It contains sildenafil citrate as its active ingredient, which belongs to a class of medications called phosphodiesterase type 5 (PDE5) inhibitors. Zenegra 100 mg is usually taken orally, approximately 30 minutes to 1 hour before sexual activity. It can be taken with or without food, but avoid consuming high-fat meals as they may delay the onset of action. https://www.genericday.com/zenegra-100-mg.html