Sildenafil citrate is found in suhagra tablets as an oral ingredient. This drug is used to treat erectile dysfunction. The effect of suhagra 100 lasts for 4 to 6 hours. And take this medicine one hour before sexual intercourse. Seek medical advice before using this medication. So you can't see any side effects of this medicine. This medicine can be taken with or without food. And don't use this medicine daily.