This medication is used in the treatment of male impotence and erectile dysfunction. Fildena 50 contains sildenafil, which allows men to have stronger, firmer, and longer erections during intercourse. This medication helps to increase blood flow to men's penile tissues. This drug should be taken 30 minutes before intercourse. The drug's effects last for 4 to 6 hours. You can take this medication before or after eating. This medication should be taken only by men over the age of 18. Take this medicine with water, but don't break or chew it.