EpinephrineOver the counter

Pronounced ep-i-NEF-rin

Brand names: EpiPen, Adrenalin

Type: Emergency allergy and resuscitation medicine · All Allergy Medicines

What Epinephrine is used for

  • Severe allergic reaction (anaphylaxis) — first-line treatment
  • Cardiac arrest and severe low blood pressure (hospital)
  • Added to local anesthetics to reduce bleeding

Common side effects

  • Rapid heartbeat
  • Shakiness
  • Anxiety
  • Headache
  • Pale skin

Important cautions

  • For anaphylaxis it must be given immediately into the thigh, followed by an emergency call — antihistamines are not a substitute
  • Auto-injectors should be carried at all times by people at risk, and replaced before they expire

How it comes

Auto-injector pens, injection (hospital). This guide lists forms only — it never lists strengths or doses.

Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.