Suhagra 50  tablets is one such drug used to treat erectile dysfunction in men. This medicine contains an ingredient called sildenafil citrate. This drug works by relaxing the blood flow to the muscles. This medicine should be taken only once a day. It is important to consult a doctor once before taking this medicine. So you can enjoy sex with your partner for a long time. The effect of this drug is seen in about 30 minutes which is person-to-person.