The essence of analgesia and analgesics

Part I. Pain Definitions; Part II. Oral and Parenteral Opioid Analgesics; Part III. Neuraxial Opioid Analgesics; Part IV. NSAIDs; Part V. Local Anesthetics; Part VI. Anticonvulsant Type Analgesics; Part VII. NMDA Antagonists; Part VIII. Alpha Adrenergic Analgesics; Part IX. Antidepressant Analgesics; Part X. Muscle Relaxants; Part XI. Adjuvant Analgesics and Antiemetics; Part XII. New and Emerging Analgesics