Vigore 100 is a drug used to treat erectile dysfunction in men. This drug is effective for impotence in men. This medicine contains an ingredient called sildenafil citrate. This drug is taken to increase blood flow to the panel. This drug is only taken by men over 18 years of age. Take this medicine 30 minutes before the planning of intercourse so that you can enjoy intercourse with your partner. You can take this medicine before or after a meal. You can take this medicine as advised by your doctor. This drug works for 4 or 5 hours.