Patient-controlled analgesia with tramadol versus tramadol plus ketorolac
Tramadol for Acute Pain: A Review of the Evidence
Metoclopramide decreases emesis but increases sedation in tramadol patient-controlled analgesia

Patient-controlled analgesia with tramadol versus tramadol plus ketorolac
Tramadol for Acute Pain: A Review of the Evidence
Tramadol. Focus on musculoskeletal and neuropathic pain.
Intramuscular tramadol increases gastric pH during anesthesia
Intraoperative loading attenuates nausea and vomiting of tramadol patient-controlled analgesia
Pharmacokinetics of rectal tramadol in postoperative paediatric patients
Metoclopramide decreases emesis but increases sedation in tramadol patient-controlled analgesia
EFFECT OF TRAMADOL IN POSTSPINAL SHIVERING IN CAESAREAN SECTION
Analgesic effect of intra-articular tramadol compared to morphine after arthroscopic knee surgery
Patient controlled intravenous analgesia with tramadol for labor pain relief
Pre-emptive analgesic efficacy of tramadol compared with morphine after major abdominal surgery
Actions of tramadol on micturition in awake, freely moving rats

Tramadol and new-onset seizures
Inadvertent intrathecal injection of tramadol
