This work provides a review of strategies for the treatment of pain in companion animals including an overview of the mechanisms by which pain is perceived and the principles of pain management. The drugs currently used in the treatment of acute and chronic pain are examined, as well as the specific techniques that can be used to control intra- and post-operative pain in both dogs and cats. The work covers a broad range of information on specific aspects of pain management from analgesic techniques to management of chronic pain to pain perception. The Made Easy Series format is user-friendly and allows for quick access to information.