The early phase happens in 15 minutes to one hour. Vomiting is the most common symptom of nicotine poisoning. The late section happens within 30 minutes to 4 several hours. Additional file 8: Desk S8. Epidemiological/scientific reports investigating the Affiliation amongst snus use and tooth loss and dental caries. Also, https://businessbookmark.com/story2512355/nicotine-an-overview