Hyperbaric oxygen therapy (HBOT) is a critical treatment for carbon monoxide poisoning that rapidly removes the toxic gas from the body and prevents potential organ damage. Carbon monoxide (CO) is a dangerous, colorless, and odorless gas produced by incomplete combustion. Despite being a rare cause of diving-related issues, it is the leading cause of death in fire victims. CO poisoning is frequently overlooked and can masquerade as common symptoms like headaches, fatigue, and dizziness. Carbon monoxide poisoning is complex, involving hypoxia (oxygen deprivation), cellular toxicity and brain injury from inflammatory responses.