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According to the CDC’s
According to the CDC’s Emergency Response Health and Safety Database (http://www.cdc.gov/niosh/ershdb/EmergencyResponseCard_29750028.html) symptoms of nicotine poisoning typically start by acting like a stimulant, which lasts anywhere from 15 minutes to one hour, then the victim’s body systems get depressed. Vomiting is one of the first side effects of nicotine poisoning and death can occur in one hour after what the CDC call’s “severe” exposure.
According to the CDC, at just low concentrations nicotine causes an increase in heart and respiratory rates and blood pressure. Severe exposures cause twitching, seizures and heart arrhythmia, then, in the second stage, cause low blood pressure, slow heart rate and paralysis of the muscles that control breathing, which may result in death. Death can also occur from blood vessel collapse and fluid buildup in the lungs. If you experience any of these symptoms, you should contact emergency medical personnel immediately.
Crystal, ReadyToQuit's resident Q&A expert, is an ex-smoker of over 17 years.