Opioid addiction has been rampant in the U.S. for some time. More than three out of five drug overdose deaths last year involved an opioid, and overdoses rose 70 percent in the 12 months ending September 2017, according to the Centers for Disease Control and Prevention.

So what can HR professionals do about it? If a worker admits to the problem, the path is fairly clear. But if the employer merely suspects that an employee is addicted to prescription pain relievers but has no real proof, the employee should be treated like any other employee who is having attendance or performance issues, said Kathryn Russo, an attorney with Jackson Lewis in Melville, N.Y.