Most<unk>  users have at least one of the above withdrawal symptoms when they try to stop. These effects are much milder to those who use isolated<unk>  over tobacco. Withdrawal can occur in less frequent users, but heavier users and those with a past or current psychiatric disorder tend to have more severe withdrawal. Genetics also influence the severity of withdrawal.
Nicotine withdrawal
Drug withdrawal
Opioid withdrawal
Benzodiazepine withdrawal syndrome
Alcohol withdrawal syndrome
Post-acute-withdrawal syndrome
Alcohol intoxication
Antidepressant discontinuation syndrome