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OmniRx › Tools › Drug shortage outlook › Isocarboxazid

Shortage outlook · all drugs · read October 2026

How long has Isocarboxazid been on the FDA shortage list?

Isocarboxazid has been on the FDA shortage list for 6 months. 345 of the 397 listings measured since 2014 lasted at least that long. Of the 345 past listings that reached the same age, 82% were still listed 6 months later (280 listings measured), 66% were still listed 12 months later (224 listings measured) and 43% were still listed 24 months later (143 listings measured). These are counts of listings, not a forecast.

Compiled by Vincent Wesley Couey (ORCID 0009-0005-6869-308X). FDA list read October 2026.

Not medical advice. A listing is what the FDA published, not a measure of what your pharmacy can supply. Do not use this page to decide whether to start, stop or change a medicine. Ask your pharmacist or prescriber, and see FDA drug shortage information for current notices.
Isocarboxazidon the FDA shortage list now
6months listed

Isocarboxazid has been on the FDA shortage list for 6 months (May 2026 to October 2026).

  1. 345 of the 397 listings measured since 2014 lasted at least that long.
  2. Of the 345 past listings that reached the same age, 82% were still listed 6 months later (280 listings measured), 66% were still listed 12 months later (224 listings measured) and 43% were still listed 24 months later (143 listings measured).
  3. Isocarboxazid has been listed 2 times since 2014: earlier listings lasted 1 year and 7 months.
  4. None of this predicts an end date. A listing ends when the FDA removes it, which reflects supply across the whole country, and says nothing about one pharmacy's shelf.

The listing history, to scale

  1. Isocarboxazid TabletsListed June 2018 to December 2019 · 1 year and 7 months
  2. Isocarboxazid TabletsListed since May 2026 · 6 months

What past listings of this age did

Of past listings that had already run 6 months, how many were still listed later?

After 6 more months82%280 listings measured
After 12 more months66%224 listings measured
After 24 more months43%143 listings measured

What the FDA list says about it today

1presentations listed
1company
16 April 2026first posted

Reasons companies gave: other (1). FDA category: Psychiatry.

Company by company

Of 1 presentations, the companies reported 0 available, 1 with limited availability and 0 unavailable. This is each company's own report to the FDA, with the date of its last update.

FDA shortage list read October 2026 (monthly archived copies since 2014, rebuilt in the published dataset; current listing file read 11 November 2026). Listing is the FDA's status, not a statement about any pharmacy.

Where can you go from this result?

This result is one of 61 drugs on the list now. Open it in the lookup to search another drug, or read how the listings were measured.

To check what is available now, ask your pharmacist, and see FDA drug shortage information and the FDA drug shortages database.