X40-X49: Accidental poisoning by and exposure to noxious substances

X43: Accidental poisoning by and exposure to other drugs acting on the autonomic nervous system

Accidental poisoning by and exposure to other drugs acting on the autonomic nervous system refers to unexpected and unintended incidences of ingesting, inhaling, or coming into contact with drugs that influence the body's autonomic nervous system. The autonomic nervous system controls involuntary actions such as heart rate, digestion, respiratory rate, and pupillary response. Symptoms of accidental poisoning could include abnormal heart rhythm, breathing difficulties, dizziness, blurred vision, and sometimes serious complications such as unconsciousness can occur. The cause is usually an error in medication dosage, misuse of prescribed drugs, or accidental exposure to certain harmful substances. Disease progression varies, and depends on the quantity of the drug taken, the individual's health status, and the timely provision of appropriate healthcare intervention.