RecallClass 2 · Action within 48 hours
Class 2 Medicines Recall: Mercury Pharmaceuticals Ltd, Paliperidone Mercury Pharma prolonged-release suspension for injection in pre-filled syringes, EL(26)A/01
Read and act on the official notice on GOV.UK
Class 2 recall — Action within 48 hours.
The MHRA uses Class 2 when:
The defect may cause mistreatment or harm to the patient, but it is not life-threatening or serious.
What all four recall classes mean
| Class | Action | The MHRA's definition |
|---|---|---|
| Class 1 | Immediate action | The defect presents a risk of death or disability. |
| Class 2 this recall | Action within 48 hours | The defect may cause mistreatment or harm to the patient, but it is not life-threatening or serious. |
| Class 3 | Action within 5 days | The defect is unlikely to cause harm to the patient. |
| Class 4 | Caution in use | Usually minor defects in packaging or other printed materials. |
A Class 1 recall usually comes with a National Patient Safety Alert. Source: MHRA, safety communications.
The MHRA's summary
Mercury Pharmaceuticals Ltd is recalling remaining stock of paliperidone pre-filled syringes as a precautionary measure due to Good Manufacturing Practice (GMP) deficiencies cited during a recent inspection at the finished product manufacturing site.
Affected batches
As listed by the MHRA, exactly as published. Always check against the GOV.UK notice before acting.
| Batch number | Expiry | Pack size | First distributed |
|---|---|---|---|
| Paliperidone Mercury Pharma 50 mg prolonged-release suspension for injection in pre-filled syringe | |||
| 4400353 | 30/06/2026 | 1s | 19/03/2024 |
| 4301747 | 30/09/2026 | 1s | 18/12/2023 |
| 4400797 | 30/09/2026 | 1s | 24/07/2024 |
| 4401269 | 30/09/2026 | 1s | 04/02/2025 |
| 4401271 | 30/09/2026 | 1s | 13/02/2025 |
| Paliperidone Mercury Pharma 75 mg prolonged-release suspension for injection in pre-filled syringe | |||
| 4301534 | 30/06/2026 | 1s | 01/11/2023 |
| 4301945 | 30/06/2026 | 1s | 26/01/2024 |
| 4301883 | 30/09/2026 | 1s | 11/01/2024 |
| 4400979 | 30/09/2026 | 1s | 05/12/2024 |
| 4400711 | 31/10/2026 | 1s | 24/07/2024 |
| 4401437 | 30/06/2027 | 1s | 27/02/2025 |
| 4500150R | 31/12/2027 | 1s | 14/07/2025 |
| 4500154R | 31/12/2027 | 1s | 24/07/2025 |
| 4500171R | 31/12/2027 | 1s | 01/08/2025 |
| 4500176 | 31/01/2028 | 1s | Quarantined at wholesaler |
| 4500443R | 31/03/2028 | 1s | 11/09/2025 |
| 4501272 | 31/08/2028 | 1s | Quarantined at wholesaler |
| Paliperidone Mercury Pharma 100 mg prolonged-release suspension for injection in pre-filled syringe | |||
| 4301518 | 30/06/2026 | 1s | 08/11/2023 |
| 4301550 | 30/06/2026 | 1s | 08/12/2023 |
| 4301970 | 30/06/2026 | 1s | 25/01/2024 |
| 4400390 | 30/06/2026 | 1s | 21/03/2024 |
| 4400737 | 30/06/2026 | 1s | 24/07/2024 |
| 4401361 | 30/06/2027 | 1s | 06/12/2024 |
| 4500100 | 31/12/2027 | 1s | 29/04/2025 |
| 4500280 | 31/01/2028 | 1s | 26/06/2025 |
| 4500675 | 31/05/2028 | 1s | 28/07/2025 |
| 4500750 | 31/05/2028 | 1s | 20/08/2025 |
| 4500825 | 31/05/2028 | 1s | 28/10/2025 |
| 4500894 | 31/05/2028 | 1s | Quarantined at wholesaler |
| 4501516 | 30/09/2028 | 1s | Quarantined at wholesaler |
| Paliperidone Mercury Pharma 150 mg prolonged-release suspension for injection in pre-filled syringe | |||
| 4301538 | 30/06/2026 | 1s | 26/10/2023 |
| 4301930 | 30/06/2026 | 1s | 26/01/2024 |
| 4301817 | 30/09/2026 | 1s | 01/12/2023 |
| 4401337 | 30/09/2026 | 1s | 05/12/2024 |
| 4401338 | 30/09/2026 | 1s | 09/12/2024 |
| 4401277 | 30/09/2026 | 1s | 04/02/2025 |
| 4400150 | 31/10/2026 | 1s | 11/04/2024 |
| 4400169 | 31/12/2026 | 1s | 04/06/2024 |
| 4500200 | 31/01/2028 | 1s | 23/05/2025 |
| 4500197R | 31/01/2028 | 1s | 13/08/2025 |
| 4500596 | 30/04/2028 | 1s | 15/07/2025 |
| 4500689 | 30/04/2028 | 1s | 05/08/2025 |
| 4500709R | 31/05/2028 | 1s | 30/10/2025 |
| 4501340 | 31/07/2028 | 1s | 06/11/2025 |
| 4501371 | 31/08/2028 | 1s | 09/12/2025 |
MHRA's audience tags: Dispensing GP practices, Pharmacy, Psychiatry