Employee drug abuse in the workplace can lead to a wide variety of problems, many of which can affect your company’s bottom line, regardless of whether the drug happens to be alcohol, prescription medication or illegal substances, or whether the use is occurring during working hours or on the employee’s personal time. Not only do these things affect the employee in question and the company as a whole, but they can also have a negative impact on other employees, leading to a host of other problems. To avoid this, management and those in HR must be proactive and vigilant so potential issues can be addressed swiftly and effectively. If you suspect that one or more of your employees may be abusing drugs, here are 7 steps to get the situation under control.