suhagra-100 is a medication prescribed for male erectile dysfunction. Sildenafil citrate is an ingredient in the medication. This medication is used to improve penile blood flow. The recommended age range for men using this medication is over 18. To ensure that you enjoy sexual relations with your partner, take this medication 45 minutes prior to engaging in sexual activity. This medication takes 6 hours to take effect. You should only take one dose of this medication per day. It is important to always take this medication as prescribed by your physician.