Kamagra is a powerful medicine for treating erectile dysfunction. This medicine contains an ingredient called Sildenafil which helps men to become sexually aroused during intercourse. This medicine should be taken 30-minutes before sexual intercourse so that you can enjoy sexual pleasure with your partner. You can take this medicine before or after a meal. The effect of this medicine lasts for 6 hours so it should be taken only once in 24 hours. You should take this medicine as advised by your doctor. You can visit pharmev.com for more information.