What is the first-line treatment for anaphylactic shock?

The first-line treatment for anaphylactic shock is the administration of epinephrine. Anaphylaxis is a severe, life-threatening allergic reaction that can occur rapidly, causing symptoms such as difficulty breathing, swelling, and a drop in blood pressure. Epinephrine works by causing vasoconstriction, which increases blood pressure, and by relaxing bronchial smooth muscle, leading to improved airway patency. Additionally, it helps alleviate other symptoms associated with anaphylaxis.

While other treatments, such as corticosteroids, oxygen supplementation, and intravenous fluids, play important roles in managing the overall treatment of anaphylaxis, they do not address the immediate, life-threatening symptoms as effectively as epinephrine. Corticosteroids can help reduce inflammation and the prolonged effects of an allergic reaction but take time to exert their effects. Oxygen supplementation may be necessary if the patient's oxygen levels are low, and intravenous fluids can assist in managing hypotension; however, these interventions are secondary to the immediate need for epinephrine. Therefore, the prompt administration of epinephrine is critical in managing anaphylactic shock effectively.