The short version
11 companies supply this market — deep enough that no single failure threatens the supply. One of its named manufacturing plants, Liebel-Flarsheim Company LLC, failed FDA inspectionwithin the last two years — the agency’s most serious outcome. Historically, drugs in this position went on to a new shortage within 90 days about 1.5% of the time — roughly 10× the typical drug (0.1%).
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