I have a friend who recently contracted a moderate case of nicotine poisoning in my presence. This notorious chain smoker of a man had traveled to a hookah bar with us that night. He began to have body-wide spasms in his chair – apparently because of the cold chills he was suffering from as a result of the nicotine overdose. It was similar in nature to a seizure. We were not absolutely certain that it was nicotine poisoning until the following morning. His symptoms, however, nearly drove us to rush him to the hospital. It is now clear that this individual overindulged on tobacco products – being, that night, sheisha (hookah) tobacco and cigarette tobacco in synergy – and subsequently suffered from a severe bout of nicotine poisoning. The article states that at his age it would take 3 packs of cigarets (60 milligrams) to cause him to go into this state.
http://ezinearticles.com/?The-Dangers-of-Cigarettes-and-Nicotine-Poisoning&id=737998