auto-injector
noun
au·to-in·ject·or
ˌȯ-tō-in-ˈjek-tər 
variants
or less commonly autoinjector
medical
: a device for injecting oneself with a single, preloaded dose of a drug that typically consists of a spring-loaded syringe activated when the device is pushed firmly against the body
Examples of auto-injector in a Sentence
Recent Examples on the Web
The only treatment to quell the allergic reaction is epinephrine, which historically has been administered through shots or auto-injectors, such as the EpiPen.
—
Natallie Rocha, The Mercury News, 7 Mar. 2025
However, the medication came in single-dose vials, requiring patients to use a traditional syringe instead of the more convenient auto-injector pen that treatment usually comes in.
—Bruce Gil, Quartz, 5 Mar. 2025
Bottlenecks involving the auto-injector pens used to administer Zepbound and Mounjaro in the U.S. played a major role in the supply shortages for those medications.
—Morgan Chittum, CNBC, 14 Jan. 2025
Naloxone is available in different dosage forms, such as nasal spray, injectable, and auto-injector.
—Ayesha Gulzar, Verywell Health, 3 Jan. 2025
Advertisement Additionally, Eli Lilly started offering single-dose vials — instead of auto-injector pens — of its two lowest doses of Zepbound for $399 and $549 a month, respectively.
—Bruce Gil, Quartz, 9 Oct. 2024
If available, use an epinephrine auto-injector (EpiPen) to administer epinephrine to the symptomatic person's thigh as soon as possible.
—Daniel More, Verywell Health, 19 Sep. 2024
Currently, 52% of adults with food allergies are prescribed an EpiPen, and 36% believe the auto-injector can cause life-threatening effects.
—Nick Blackmer, Verywell Health, 14 Aug. 2024
Epinephrine Patients at risk of severe allergic reactions or anaphylaxis are often prescribed an epinephrine auto-injector (EpiPen) for emergency use.
—Sarah Jividen, Verywell Health, 11 July 2024
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Natallie Rocha, The Mercury News, 7 Mar. 2025
However, the medication came in single-dose vials, requiring patients to use a traditional syringe instead of the more convenient auto-injector pen that treatment usually comes in.
—Bruce Gil, Quartz, 5 Mar. 2025
Bottlenecks involving the auto-injector pens used to administer Zepbound and Mounjaro in the U.S. played a major role in the supply shortages for those medications.
—Morgan Chittum, CNBC, 14 Jan. 2025
Naloxone is available in different dosage forms, such as nasal spray, injectable, and auto-injector.
—Ayesha Gulzar, Verywell Health, 3 Jan. 2025
Advertisement Additionally, Eli Lilly started offering single-dose vials — instead of auto-injector pens — of its two lowest doses of Zepbound for $399 and $549 a month, respectively.
—Bruce Gil, Quartz, 9 Oct. 2024
If available, use an epinephrine auto-injector (EpiPen) to administer epinephrine to the symptomatic person's thigh as soon as possible.
—Daniel More, Verywell Health, 19 Sep. 2024
Currently, 52% of adults with food allergies are prescribed an EpiPen, and 36% believe the auto-injector can cause life-threatening effects.
—Nick Blackmer, Verywell Health, 14 Aug. 2024
Epinephrine Patients at risk of severe allergic reactions or anaphylaxis are often prescribed an epinephrine auto-injector (EpiPen) for emergency use.
—Sarah Jividen, Verywell Health, 11 July 2024
Cite this Entry
“Auto-injector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/auto-injector. Accessed 11 Mar. 2025.
Copy CitationMedical Definition
auto-injector
noun
au·to-in·ject·or
ˌȯ-(ˌ)tō-ˌin-ˈjek-tər
variants
also autoinjector
: a device for injecting oneself with a single, preloaded dose of a drug that typically consists of a spring-loaded syringe activated when the device is pushed firmly against the body
Some parents and health officials say epinephrine auto-injectors should be as common in schools as defibrillators are, so immediate help would be available to any student suffering anaphylaxis …—Noreen S. Ahmed-Ullah, The Chicago Tribune
Noreen S. Ahmed-Ullah, The Chicago TribuneLove words? Need even more definitions?
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