<prompt> Management of chronic pain includes:Intra-thecal hyperbaric phenolAntrolateral cordotomyEpidural fentanylAll  <response>: A i.e. Intra-thecal hyperbaric phenol, B i.e. Antrolateral cordotomy, C i.e. Epidural fentanyl Management of chronic pain includes patient controlled analgesia PCA, epidural or intrathecal opioid fentanyl local anesthetic, neurolytic blocks by hypobaric alcohol or hyperbaric phenol, anterolateral cordotomy and various drugs like anticonvulsants, antidepressants, neuroleptics, opioids, serotonergic drugs and az adrenergic agonistQ. 