Historically, most cases of<unk>  have been the result of its use as an insecticide; however, such use is less frequent now than previously. Every year many children go to the emergency room after eating cigarettes or cigarette butts. 
Sixty milligrams of<unk>  has the potential to kill an adult, which is the amount of<unk>  in three packs of cigarettes or half a cigar, if all of the<unk>  were absorbed. However, this figure is higher in regular smokers, although not drastically so. Consuming only one cigarette's worth of<unk>  is enough to make a toddler severely ill.  In some cases children have become poisoned by topical medicinal creams which contain<unk> .
Individuals who harvest or cultivate tobacco may experience Green Tobacco Sickness (GTS), a type of<unk>  caused by dermal exposure to wet tobacco leaves.
Nicotine poisoning
Organophosphate poisoning
Strychnine poisoning
Carbon monoxide poisoning
Arsenic poisoning
Cyanide poisoning
Black nightshade poisoning
Gold poisoning