Kamagra is a brand name for a medication primarily containing sildenafil citrate as its active ingredient. It's used to treat erectile dysfunction (ED) in men. The recommended dosage of Kamagra may vary depending on individual response and tolerance, but it's generally taken as needed, approximately 30 minutes to 1 hour before sexual activity. The effect of Kamagra typically lasts for about 4 to 6 hours, during which time the individual may experience improved erectile function when sexually stimulated. https://www.flatmeds.com/product/kamagra-100-mg/