The US Food and Drug Administration on Friday approved the first prescription medicine for obstructive sleep apnea: the weight-loss drug Zepbound.

The United States Food and Drug Administration says the shortage of Eli Lilly’s Zepbound and Mounjaro drugs has been resolved and that specialty pharmacies and online companies need to stop selling off-brand versions of the weight-loss drugs. The FDA has issued warnings against the off-brand versions, citing safety concerns.

Key Takeaways Eli Lilly's Zepbound has been approved by the Food and Drug Administration (FDA) as a treatment for adults with sleep apnea and obesity, the drugmaker said after the bell Friday.Trials of the Lilly drug found that it helped reduce the number of breathing disruptions in an average night of sleep.