Morphine is obtained from the poppy plant; it is an unriped seed capsule of poppy plant. Morphine is commonly used as painkiller and it is an potent analgesic drug. Pharmacologically morphine is used naturally pain killer drug. Morphine is potentially highly addictive chemical and can cause intense physical dependence that leads to miss-use of the substance. Frequently use of morphine can lead to individuals developing tolerance of the drug and a physical and psychological dependence on it.