(CBS News) – Drugmakers have decided to stop selling a kind of controversial fentanyl painkiller at the end of this month, the Food and Drug Administration said this week, marking an end to a controversial brand of “fentanyl lollipops” and other formulations blamed for playing a part in fueling the opioid overdose epidemic.

The end of sales of the drugs, which doctors call transmucosal immediate release fentanyl or TIRF medications, follows decades of investigations and lawsuits against the drugmakers that had aggressively marketed the fast-acting and powerful painkillers. (Read More)