What is the proper action when a patient shows signs of anaphylaxis?

When a patient displays signs of anaphylaxis, the most appropriate action is to use epinephrine and call for emergency help. Anaphylaxis is a severe, potentially life-threatening allergic reaction that can occur rapidly. The administration of epinephrine is crucial because it acts quickly to reverse the symptoms of anaphylaxis by constricting blood vessels, which helps to reduce swelling and alleviate respiratory distress.

In addition to administering epinephrine, calling for emergency assistance is essential since anaphylaxis can escalate quickly and may require further medical intervention, such as additional medications or advanced airway management. This two-pronged approach ensures that the patient receives the necessary immediate treatment while also facilitating a smooth transition to more comprehensive emergency care.

Other treatments, such as antihistamines, are not sufficient in managing anaphylaxis as they do not act rapidly enough to counteract the life-threatening effects. Meanwhile, applying cool compresses or encouraging water intake does not address the underlying cause or the immediate dangers associated with anaphylaxis.