Filagra DXT Plus Pill is a drug used to treat erectile dysfunction in men. This drug contains a major ingredient called sildenafil citrate. This drug is taken to increase blood flow to the penis to produce sexual arousal and prolong erection during intercourse. You can take this medicine before or after a meal. If this medicine is taken with fatty foods or cold drinks it will slow down the effect of the medicine. You must use this medicine, its effect lasts for 4 to 6 hours so you do not need to take this medicine frequently. This medicine should be taken according to the doctor's advice.