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US ATC R03DC03 · updated 2 Nov 2026
Montelukast shortage in United States
Is there a Montelukast shortage in United States?
Yes. As of 2 Nov 2026, 1 Montelukast product is reported short in United States, the first since 17 Nov 2025. No return date has been given. Main reason: not stated.
Also short in Canada, France, Italy, Spain, Ireland, Austria, Belgium, Czechia, Norway, Sweden, Japan, New Zealand. All countries.
Affected products in United States
| Country | Product | Company | Since | Expected back | Reason |
|---|---|---|---|---|---|
| US | Singulair, Tablet, Chewable, 4 mg (NDC 78206-170-01) discontinuation | Organon | 17 Nov 2025 | not given | Not stated |
Source
U.S. Food and Drug Administration (FDA), Drug Shortages via openFDA. Official list. Shortages the FDA lists as current, plus products to be discontinued; one row per package (NDC).