Herniorrhaphy for Postoperative Pain

Inclusion Criteria: * Able to sign Informed Consent * Scheduled to have inguinal hernia repair * Be a reasonably healthy adult 18 - 75 years of age * Body mass index ≤ 39 kg/m2 * If biologically female, not pregnant or planning to become pregnant * If biologically male, using acceptable birth control * Be willing and able to complete study procedures Exclusion Criteria: * Previously inguinal herniorrhaphy * Concurrent painful condition that may require analgesic treatment * History or clinical manifestation of significant medical, neuropsychiatric, or other condition, significant abnormal clinical laboratory test value, or known bleeding abnormality that could preclude or impair study participation * Clinically significant existing arrhythmia, bundle branch block or abnormal ECG, myocardial infarction, or coronary arterial bypass graft surgery within the prior 12 months * History of malignant hyperthermia or glucose-6-phosphate dehydrogenase deficiency. * Impaired liver function (e.g., alanine aminotransferase \[ALT\] \> 3 × upper limit of normal \[ULN\] or total bilirubin \> 2 × ULN), active hepatic disease, or cirrhosis. * Impaired renal function (e.g., creatinine \> 1.5 × ULN). * Malignancy in the past year * Known or suspected daily use of opioids for 7 or more consecutive days within the previous 6 months.