# 50633-310-11 · Hydroxocobalamin Injection · BTG International Inc. — FDA drug shortage duration tracker

For 50633-310-11 · Hydroxocobalamin Injection · BTG International Inc., package ndc is 50633-310-11; generic name is Hydroxocobalamin Injection; manufacturer is BTG International Inc; status is Current; availability now is Limited Availability, recorded from its source on 2026-09-01.

- **Package NDC:** 50633-310-11 _(verified: appears in the quote below)_
- **Generic name:** Hydroxocobalamin Injection _(verified: appears in the quote below)_
- **Manufacturer:** BTG International Inc. _(verified: appears in its own passage below)_
- **Status:** Current _(verified: appears in its own passage below)_
- **Availability now:** Limited Availability _(verified: appears in the quote below)_
- **FDA note:** Cyanokit is available to order. To address the drug shortage, BTG International Inc (a SERB Pharmaceuticals company) coordinated with the U.S. Food and Drug Administration (FDA) to make the following impacted batches available to U.S. patients during this period of shortage. _(verified: appears in the quote below)_
- **Initial posting date:** 11/04/2024 _(verified: appears in the quote below)_
- **Last update date:** 08/17/2026 _(verified: appears in its own passage below)_
- **Days in shortage:** 666 _(our reading, not quoted from the source)_
- **Reason for shortage:** Other _(verified: appears in its own passage below)_
- **Dosage form:** Injection _(verified: appears in its own passage below)_
- **Therapeutic category:** Other _(verified: appears in its own passage below)_

## What the source says

> "initial_posting_date": "11/04/2024", "package_ndc": "50633-310-11", "generic_name": "Hydroxocobalamin Injection", "related_info_link": "https://www.fda.gov/media/185400/download", "contact_info": "1 877 377 3784", "availability": "Limited Availability", "related_info": "Cyanokit is available to order. To address the drug shortage, BTG International Inc (a SERB Pharmaceuticals company) coordinated with the U.S. Food and Drug Administration (FDA) to make the following impacted batches available to U.S. patients during this period of shortage."

## Where each value comes from

This source states these in separate places, so each value is shown with the passage that states it.

### Manufacturer

> "update_date": "08/17/2026", "therapeutic_category": [ "Other" ], "dosage_form": "Injection", "presentation": "Cyanokit, Injection, 5 g/250mL (NDC 50633-310-11)", "company_name": "BTG International Inc.", "shortage_reason": "Other", "status": "Current"

### Status

> "update_date": "08/17/2026", "therapeutic_category": [ "Other" ], "dosage_form": "Injection", "presentation": "Cyanokit, Injection, 5 g/250mL (NDC 50633-310-11)", "company_name": "BTG International Inc.", "shortage_reason": "Other", "status": "Current"

### Last update date

> "update_date": "08/17/2026", "therapeutic_category": [ "Other" ], "dosage_form": "Injection", "presentation": "Cyanokit, Injection, 5 g/250mL (NDC 50633-310-11)", "company_name": "BTG International Inc.", "shortage_reason": "Other", "status": "Current"

### Reason for shortage

> "update_date": "08/17/2026", "therapeutic_category": [ "Other" ], "dosage_form": "Injection", "presentation": "Cyanokit, Injection, 5 g/250mL (NDC 50633-310-11)", "company_name": "BTG International Inc.", "shortage_reason": "Other", "status": "Current"

### Dosage form

> "update_date": "08/17/2026", "therapeutic_category": [ "Other" ], "dosage_form": "Injection", "presentation": "Cyanokit, Injection, 5 g/250mL (NDC 50633-310-11)", "company_name": "BTG International Inc.", "shortage_reason": "Other", "status": "Current"

### Therapeutic category

> "update_date": "08/17/2026", "therapeutic_category": [ "Other" ], "dosage_form": "Injection", "presentation": "Cyanokit, Injection, 5 g/250mL (NDC 50633-310-11)", "company_name": "BTG International Inc.", "shortage_reason": "Other", "status": "Current"

## Source

- https://api.fda.gov/drug/shortages.json?search=company_name%3A%22BTG%20International%20Inc.%22+AND+generic_name%3A%22Hydroxocobalamin%20Injection%22+AND+status%3A%22Current%22&limit=1000

Last verified: 2026-09-01. Review by: 2026-09-04.
Part of [FDA drug shortage duration tracker](https://referencesource.org/drug-shortage-duration-tracker/).