Kamagra 50 mg is used to treat impotence in men. The drug contains an ingredient called sildenafil citrate, which helps relax muscles by increasing blood circulation to the arteries of the penis. The effect of this drug lasts for about 24 hours. This drug should be taken 1 hour before sexual activity. Alcohol should not be consumed while using this drug. This drug improves your sex life. The effect of this drug usually lasts for 3-4 hours. Visit our official site erectilepharma.com for more information.