Pain and Cancer: A systematic review.

Pain is the most common symptoms in patients with cancer, a significant number of cases it is undiagnosed and under treated. It is important to understand the nature of the pain experienced by patients, to distinguish between nociceptive and neuropathic pain. Successful management of cancer pain requires a good knowledge of the causes of pain and various treatment available and information to manage their side effects. Pain has a significant negative impact on the patient and his family, therefore it needs to be managed urgently and appropriately.