People with Severe Allergies Advised to Check their Injector Pens after Recall of Jext Adrenalin Injectors

The Medicines and Healthcare products Regulatory Agency (MHRA) is asking people who suffer severe allergic reactions and use a Jext adrenalin injector to check the batch numbers after a fault was discovered by the manufacturer.


Jext is a single-use adrenaline auto-injector intended for the emergency treatment of severe acute allergic reactions (anaphylaxis) to insect stings or bites, foods, drugs and other allergens as well as exercise induced anaphylaxis.

Routine testing by the manufacturer found that the needles in these pens may have become bent meaning it may not deliver the required dose of adrenalin when required. Only a small number (0.04%) of the needles in the batches have been affected by the fault.

People with injectors from the affected batches are advised to make an appointment with their GP as soon as possible to discuss switching to an alternative product. In the meantime people should continue to carry their existing injectors as prescribed.

The MHRA's Head of Defective Medicines Reporting Centre (DMRC), Adam Burgess said:

The number of needles affected by this is very small and we would advise people who use them to continue to carry them as normal. We have not had reports of any incidents with these but urge people to check the batch number and if it is from an affected batch make an appointment with their GP as soon as possible to discuss alternatives.


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