Epinephrine injection is used in the patient who is going through anaphylactic shock mainly due to coming in contact with an allergic substance. Epinephrine helps in narrowing blood vessels and airway opening in the lungs.
The effect of epinephrine can help in coming out of severely low blood pressure, itching in the skin, and other allergic symptoms which is responsible for anaphylactic shock.
Therefore if a client experiencing rapidly increasing symptoms of anaphylactic shock then firstly epinephrine injection should be administered in client body by the nurse.