In it, the government accuses Walgreens of filling millions of unlawful prescriptions, including for excessive quantities of opioids, early refills of opioids and the so-called “holy trinity” of commonly abused drugs: an opioid, a benzodiazepine and a muscle relaxant.

The U.S. Justice Department has filed a lawsuit accusing Walgreens of filling millions of prescriptions for Americans over the last decade and more without a legitimate purpose, including for dangerous amounts of opioids.

A Justice Department lawsuit alleges the illegal prescription-filling by Walgreens included opioids, and began in August 2012.

Key Takeaways Walgreens Boots Alliance shares tumbled Tuesday after Department of Justice allegations that its pharmacies dispensed prescriptions with no legitimate medical reasoning.The DOJ filed a lawsuit late last week accusing the pharmacy of handing out "millions of unlawful prescriptions" for dangerous opioids,

Walgreens skimped on compliance and filled millions of prescriptions for narcotics that weren't medically necessary, the Department of Justice alleged in a complaint against the company, first brought by four whistleblowers.

Last week, the U.S. Department of Justice filed a civil complaint against Walgreens Boots Alliance Inc (NASDAQ:WBA) and its subsidiaries, alleging widespread violations of the Controlled Substances Act (CSA) and False Claims Act (FCA).

Shares of Walgreens Boots Alliance (NASDAQ:WBA) fell by 6% following allegations by the U.S. Justice Department that the pharmacy chain dispensed millions of unlawful prescriptions in violation of the Controlled Substances Act (CSA) and the False Claims Act (FCA).