A plant in North Carolina "makes about 60 percent of the United States’ supply of fluids used in IVs, for in-home dialysis and for people who rely on IV nutrition"

Yes, it's closed after being flooded during Hurricane Helene:

U.S. officials approved airlifts of IV fluids from overseas manufacturing plants on Wednesday to ease shortages caused by Hurricane Helene that have forced hospitals to begin postponing surgeries as a way to ration supplies for the most fragile patients.

...

The situation could become even more dire now that Hurricane Milton is hitting Florida. On Tuesday, workers at B. Braun, makers of a fourth of the nation’s IV fluids, loaded trucks at the company’s plant in Daytona Beach with the medical bags and drove them north through the night to what they hoped would be a safer location.