Kamagra oral jelly containing sildenafil citrate is used to treat erectile dysfunction in men. Many men are getting better by using this jelly. As this medicine is in jelly form, it dissolves quickly in the body and starts working instantly. It helps in prolonged sexual activity with a stronger erection by increasing the blood flow in the blood vessels in the penis of men. This medicine is usually recommended on an empty stomach. Also, this medicine usually gives effective results for 4-6 hours. You can buy this medicine online at pharmev.com very easily.