Symptoms include: Tremors Constricted pupils Drooling Auditory and visual hallucinations Excitement Vomiting and diarrhea Twitching, possibly progressing to seizures Racing heart rate but slow heart rate with small doses High blood pressure but at higher doses, there is a circulatory collapse It is easy to confuse nicotine poisoning with other poisonings such as strychnine, chocolate, organophosphate insecticides, and certain molds
Changes in their composition may cause irritation or inconsistent dosing
1986, Signs and Symptoms of Tobacco Withdrawal, these emotional fluctuations are often a result of nicotines impact on neurotransmitter levels in the brain
Thus, symptoms of low-dose exposure or the initial signs of high-dose exposure include excitement, tremors, a drunken unsteady gait, convulsions, drooling, high blood pressure and a low heart rate