Epinephrine

Epinephrine can be administered through an auto-injector.

Tom carries an epinephrine injector at all times.

Epinephrine can save someone's life by relaxing the muscles around the airways and preventing them from closing completely.

Epinephrine is also known as adrenalin.

At the ER, after deflating me with a cocktail of epinephrine, a steroid and an antihistamine, the doctors scolded me for not coming in more quickly: I could have died of asphyxiation.

“Anyone who has experienced or witnessed an anaphylaxis reaction knows it can be very stressful deciding when to inject epinephrine to themselves or a child and often delay,” Dr. Jonathan Spergel, chief of the allergy program at Children’s Hospital of Philadelphia, said in a news release from ARS Pharmaceuticals.