Some patients with anesthetic poisoning may experience symptoms after about 6 to 12 hours, but others may experience symptoms immediately, which generally need to be determined on an individual basis. Anesthetic poisoning is a poisoning caused by, for example, accidental inhalation or overdose of anesthetic. It usually stimulates the central nervous system and causes vomiting, coughing and other uncomfortable symptoms. Serious patients may also experience cardiac arrhythmia, respiratory arrest and other discomforts, and may even be life-threatening, and usually need to go to the hospital in time for treatment. The symptoms of anesthetic poisoning usually appear after about 6 to 12 hours, but some patients may have symptoms immediately, due to the different physical condition of individuals, the degree of poisoning is different, the time of symptoms will also be different, can not be generalized. If you experience vomiting and other uncomfortable symptoms after using anesthetic, you should go to the hospital in time for examination and treatment under the guidance of a doctor to avoid delaying your condition.