Walgreens shares sank Tuesday, the first day of trading since the Department of Justice announced a lawsuit accusing the pharmacy chain of dispensing "millions of unlawful prescriptions" with no legitimate medical purpose.

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 Department of Justice (DOJ) filed a lawsuit late last week against Walgreens alleging the company and its subsidiaries unlawfully dispensed and sought reimbursement for “millions” of prescripti | The pharmacy chain dispensed “dangerous and excessive quantities,

Over the last two decades, opioid painkillers have been blamed for more than 500,000 deaths in the US. Big drugstore chains including Walgreens have already agreed to pay more than $13 billion to resolve multiple state and local government lawsuits accusing them of mishandling opioids and downplaying the addiction risks.

The U.S. Justice Department is accusing Walgreens of filling millions of prescriptions in the last decade and more without a legitimate purpose, including for dangerous amounts of opioids,

The DOJ is suing Walgreens, claiming pharmacists filled millions of prescriptions that lacked a legitimate medical purpose.

The Justice Department has filed a nationwide lawsuit against Walgreens, alleging the pharmacy chain filled millions of prescriptions without legitimate medical purposes, particularly involving dangerous opioid combinations,