Administering Epinephrine by Injection

Epinephrine use by EMTs

Authorized in many states and EMS agencies for treating life-threatening anaphylaxis.

Epinephrine effects

Constricts blood vessels to raise blood pressure and reduce swelling; dilates air passages in the lungs to improve airflow.

Auto-injector dosing

Typically delivers a preset 0.3 mg of epinephrine automatically.

IM injection alternative

Some areas allow epinephrine to be given via IM injection using a 1 mg/mL vial with a needle and syringe.

Auto-injector procedure step 1

Grasp the unit with the tip pointing downward and form a fist around it; do not place thumb over either end.

Auto-injector procedure step 2

Pull off the activation cap with the other hand.

Auto-injector procedure step 3

Hold the tip near the outer thigh and insert firmly at a 90-degree angle; do not allow it to bounce.

Auto-injector procedure step 4

Hold firmly in the thigh for several seconds.

Post-administration disposal

Immediately place the used auto-injector in an appropriate sharps container.