Malegra 100 is a drug used to treat erectile dysfunction in men. This medicine is a very effective medicine for impotence. This drug contains an ingredient called sildenafil which helps to increase blood flow to the tissues of the male penis. Men over the age of 18 should take this medicine. When taken at least 30 minutes before sexual activity Kamagra works effectively and the effect of the drug lasts for 4 to 6 hours. You should take this medicine as advised by your doctor. You can also take this medicine before or after a meal. You can visit pharmev.com for more information.