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ATC J01DH51 · Carbapenems · updated 2 Nov 2026

Imipenem and Cilastatin shortage

As of 2 Nov 2026, Imipenem and Cilastatin has a reported shortage in 1 of the 16 countries we track (United States), covering 1 product from 1 company.

Is there an Imipenem and Cilastatin shortage?

Yes. As of 2 Nov 2026, Imipenem and Cilastatin is reported short in 1 of the 16 countries we track: United States. No company has given a return date.

Countries1/16
Products1packs or presentations
Companies11 listed
Short since8 Jan 202610 months ago
Earliest returnnot givencompany estimate
Main reasonNot stated

Timeline

United States
Primaxin, Injection, 500mg (NDC 0006-3516-59Primaxin, Injection, 500mg (NDC 0006-3516-59)today

Solid bars run from the reported start to today; faded bars show the time left until the expected return. An arrow means no return date was given.

Which companies are short

products short, all countries
Merck & Co. (MSD)1 MRK

Listed: Merck & Co. (MSD) MRK · NYSE

Compared with similar medicines

ATC group J01DH · Carbapenems
Meropenem6/16Ertapenem4/16Imipenem and Cilastatin1/16Imipenem, Cilastatin and Relebactam1/16

Affected products

CountryProductCompanySinceExpected backReason
USPrimaxin, Injection, 500mg (NDC 0006-3516-59) discontinuationMerck Sharp & Dohme Corp.8 Jan 2026not givenNot stated

"Expected back" is the date the company gave the authority, when it gave one. Ask a pharmacist about alternatives.

Questions

Is there an Imipenem and Cilastatin shortage?

Yes. As of 2 Nov 2026, Imipenem and Cilastatin is reported short in 1 of the 16 countries we track: United States. No company has given a return date.

When will Imipenem and Cilastatin be back in stock?

No return date has been given; United States: no date given. These are company estimates reported to each authority.

Why is Imipenem and Cilastatin in short supply?

The most common reason reported is: not stated. Reasons by product are listed in the table below.

Which companies have Imipenem and Cilastatin shortages?

Merck & Co. (MSD).