The Food and Drug Administration recently authorized the temporary import of hydromorphone hydrochloride injection from Canada to address a critical shortage of the drug, an opioid pain medication. This product is marketed in Canada, and is manufactured in Canada by Sandoz Canada Inc. At this time, no other entity except Hospira is authorized by the FDA to import or distribute Sandoz Hydromorphone Hydrochloride Injection, USP 2 mg/mL ampules in the U.S. See the letter to health care providers for more details.