What is nicotine withdrawal?
Smokers suffer symptoms of nicotine withdrawal after they suddenly stop smoking. Nicotine withdrawal occurs because the body is physically dependent on the effects of nicotine. When nicotine is stopped, the body must adjust to the absence of the nicotine. Nerves throughout the body become excessively stimulated without the drug, which results in the symptoms of withdrawal. Nicotine withdrawal symptoms usually peak in 2 days and resolve over one month.

What are the symptoms of nicotine withdrawal?
Symptoms of nicotine withdrawal include anxiety, restlessness, irritability, insomnia, depression, headaches, palpitations, increased appetite, nausea, sore throat, cough, excessive sweating, and weight gain.

How does the doctor treat nicotine withdrawal?
Treatment of nicotine withdrawal includes support groups and nicotine substitutes, such as patches and gum.