CLASS II ONGOING Drug recall · Reported 22 Jul 2020 · FDA Enforcement Report
Metformin Hydrochloride Extended-Release Tablets recalled
Granules Pharmaceuticals is recalling Metformin Hydrochloride Extended-Release Tablets USP, 750 mg, a) bottle (, distributed nationwide in the US. The recall was initiated on 3 Jul 2020 and the FDA has classified it as Class II.
Check your package
Check the lot number on your package against the affected lots. If it matches, contact the pharmacy that dispensed it or your prescriber before stopping any medication.
Recall details
- Recall number
- D-1386-2020
- FDA event ID
- 85986
- Recalling firm
- Granules Pharmaceuticals, Chantilly, VA
- Brand
- Metformin
- Manufacturer
- Granules Pharmaceuticals Inc.
- Classification
- Class II
- Status
- Ongoing
- Recall initiated
- 3 Jul 2020
- FDA classified
- 14 Jul 2020
- Reported
- 22 Jul 2020
- Type
- Voluntary: Firm initiated
- Customers notified by
- Press Release
- Reason category
- Nitrosamine Impurity
- Drug class
- Diabetes Medication
Timeline
| 3 Jul 2020 | Recall initiated by company | |
| 14 Jul 2020 | Classified by FDA | +11 days |
| 22 Jul 2020 | Published in enforcement report | +8 days |
Companies usually start a recall weeks before the FDA classifies and publishes it; the gap above is that lag.
Reason for recall
CGMP Deviations: FDA analysis detected N-Nitrosodimethylamine (NDMA) impurity above the acceptable intake level
Nitrosamines are impurities that can form during drug manufacturing or storage. Above the FDA acceptable intake limit, long-term exposure may raise cancer risk. The FDA advises patients to keep taking the medicine until they have a replacement.
Product as listed by the FDA
Metformin Hydrochloride Extended-Release Tablets USP, 750 mg, a) 100 ct. bottle (NDC 70010-492-01) and 500 ct. bottle (NDC 70010-492-05), Manufactured for: Granules Pharmaceutical Inc., Chantilly, VA, Manufactured by: Granules India Limited, Hyderabad - 500-081, India
Where it was distributed
US Nationwide
Questions about this recall
Why was it recalled?
CGMP Deviations: FDA analysis detected N-Nitrosodimethylamine (NDMA) impurity above the acceptable intake level
Which lots are affected?
a) 100 count 4920003A/May-21 4920004A/Jun-21 4920005A/Jun-21 4920009A/Nov-21 4920010A/May-22 4920011A/Jun-22 4920012A/Jun-22 4920013A/Jul-22 4920014A/Jul-22 4920015A/Aug-22 4920016A/Jan-23 b) 500 count 4920005B/Jun-21
Where was it sold?
US Nationwide
What should I do if I have it?
Check the lot number on your package against the affected lots. If it matches, contact the pharmacy that dispensed it or your prescriber before stopping any medication.
What does Class II mean?
Class II means the product may cause temporary or medically reversible health problems, or the probability of serious harm is remote.
Read the official FDA notice · Source record retrieved 26 Sep 2026. The FDA describes openFDA data as unvalidated; the official notice takes precedence. This page reports the record and gives no medical advice.
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|---|---|---|---|---|---|
| Drug | CLASS II | Trazodone Hydrochloride, USP, 50 mg recalled by Granules PharmaceuticalsTrazodone Hydrochloride | Granules Pharmaceuticals | Other | Nationwide |
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Other Metformin recalls
All 61| Reported | Class | Recall | Company | Reason | Where |
|---|---|---|---|---|---|
| Drug | CLASS II | Metformin Hydrochloride Extended-Release Tablets 1000mg recalledMetformin Hydrochloride | Glenmark Pharmaceuticals Inc., USA | Manufacturing (CGMP) Deviations | Nationwide |
| Drug | CLASS II | Metformin Hydrochloride Extended- Release 500mg recalledMetformin Hydrochloride | A-S Medication Solutions | Packaging Defects | Nationwide |
| Drug | CLASS II | Metformin Hydrochloride Extended-Release Tablets, USP, 500 mg recalledMetformin Er 500 Mg | Granules Pharmaceuticals | Other | OH |
| Drug | CLASS II | Metformin hydrochloride Extended-Release Tablets, 1000 mg recalled | Teva Pharmaceuticals USA | Nitrosamine Impurity | CA |
| Drug | CLASS II | Metformin Hydrochloride Extended-Release Tablets, USP 750 mg HDPE recalledMetformin Hydrochloride | Viona Pharmaceuticals | Nitrosamine Impurity | NJ |