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An EpiPen is a handheld device that delivers a quick dose of adrenaline to treat severe allergic reactions. It offers fast temporary relief from life-threatening symptoms, giving vital time until medical help arrives.
What an EpiPen Is
An EpiPen is an adrenaline auto-injector used during anaphylaxis, a rapid and serious allergic reaction. It contains a pre-measured dose that works to ease swelling, support breathing and stabilise blood pressure. Both adult and child versions function in the same way. You can learn how to use a device through emergency first aid training courses.
When an EpiPen Is Needed
An EpiPen is used when someone shows signs of a severe reaction after encountering an allergen such as food, medication, latex or insect stings. Symptoms may include breathing difficulties, dizziness, a racing heartbeat or swelling of the lips and throat. People who support someone with allergies benefit from understanding these signs through emergency first aid training courses. The NHS has a guide on allergies and symptoms.
How an EpiPen Works
The device delivers adrenaline into the outer thigh, where it is rapidly absorbed. Adrenaline helps open the airways, reduce swelling and support the heart.
How to Use an EpiPen
To use an EpiPen, the blue cap is removed and the orange tip is pressed firmly against the outer thigh at a right angle. The injection activates automatically and should be held in place briefly to ensure the full dose is delivered.
Understanding how an EpiPen works helps ensure quick and confident action during allergic emergencies.
