Nicotine is a stimulant just like caffeine because it increases the heart rate and blood pressure temporarily just like coffee. Scientifically, nicotine is regarded as a deadly poison because it has been associated with cardio vascular diseases, birth defects, poisoning and cancer. Nicotine has both good and bad side effects depending on how it is used and absorbed in the human body. If it is prescribed for you by the doctor, you may have some side effects. If the following symptoms occur while taking nicotine products such as electronic cigarettes then you need to consult with your docto r- blurred vision, dizziness, headaches, nervousness, loud pounding in the ears, irregular heartbeat, vomiting, weakness and itchiness.

However, some side effects of nicotine may not require medical attention because it could be a result of adaptation of the body and when this occurs, the effects disappears without treatment. These effects include mouth sores, nausea, sore throat, belching, acid in the stomach, diarrhea, dizziness, heart burn, hiccups, neck pain, teeth problems and weakness.

Research has shown that nicotine is highly addictive and its bad reputation is derived from smoking. However, medicinal nicotine is used as a tool to quit smoking and has a good history. The rapid rise in popularity of electronic cigarettes which are tobacco free gadgets that people use to inhale nicotine laced vapor is enough evidence to prove that nicotine can also be used to help smokers quit smoking. Electronic cigarettes contain nicotine inside and when one starts using them he or she gets addicted and after he stops using; the development of withdrawal symptoms may be experienced. These electronic cigarettes have been considered way safer than regular cigarettes but it is dangerous for people who have heart problems and can also cause damage to one’s arteries. However, electronic cigarettes are preferred because the levels of toxic substances which they produce are only a small portion compared to what is produced from real cigarettes. 

Several researchers have concluded that tobacco smoking is the real threat and not nicotine. Nicotine in cigarette smoke is natural because it is found in the tobacco plant. The total amount of nicotine in cigarettes varies but it is approximately one milligram per cigarette. Research shows that when someone keeps smoking, a certain amount of nicotine is built up in the brain and it adapts to that level making one to keep yearning for it. This explains why addicted cigarette smokers keep craving for a cigarette.

Nicotine poisoning can occur of the nicotine exposure reaches toxic levels. In an adult lethal exposure can occur if an individual consumes from o.5 mg up to 1.0 mg of nicotine per kg of body weight. 1 kg equals 2.2 lbs.

Going by the minimums, that means that a 160 lb person that consumes 36 mg to 72 mg of nicotine could potentially die.

Toxicologists have long stated 40 to 60 mg of nicotine is a fatal dose for an adult.

New data suggests that an adult can withstand up to 13 mg per kg of body weight. Is nicotine bad for you? Well anything is bad for you in excess.