Drugs, Alcohol and Smoking: Illinois

Federal law and guidance on this subject should be reviewed together with this section.

Author: Brightmine Editorial Team

Summary

• Illinois employers may enforce drug-free workplace policies if applied in a nondiscriminatory manner. See Drugs and Alcohol.
• Employers may prohibit marijuana use even though medical and recreational use is legal in the state. See Marijuana.
• Employers may implement and enforce policies that prohibit the use, sale, possession, distribution, purchase and cultivation of drugs and alcohol in the workplace. See Drug and Alcohol Policies.
• Employers are not prohibited from conducting workplace drug and alcohol testing programs. See Drug and Alcohol Testing.
• The Smoke Free Illinois Act prohibits smoking in places of employment. See Smoking.
• Employers are required to post "No Smoking" signs. See Postings.
• Employers are not required to have a smoking policy but may implement one that prohibits smoking in the workplace. See Smoking Policies.
• Chicago has requirements pertaining to smoking. See Local Requirements.