What category of drug is commonly used to treat anaphylactic shock?

Adrenergic (sympathomimetic) drugs are commonly used to treat anaphylactic shock because they mimic the action of the sympathetic nervous system. In the case of anaphylaxis, there is a severe and rapid allergic reaction that can lead to airway constriction, decreased blood pressure, and a shock state. Adrenergic drugs, such as epinephrine, are essential in reversing these effects. They work by causing vasoconstriction, which increases blood pressure, dilating bronchioles to improve airflow, and decreasing vascular permeability to reduce swelling.

While corticosteroids may be used in conjunction with adrenergic drugs to help reduce inflammation and manage longer-term symptoms of an allergic reaction, they are not the immediate treatment for anaphylactic shock. Beta blockers are typically avoided in cases of anaphylaxis since they can inhibit the effectiveness of epinephrine. Cholinergic drugs do not play a role in treating this condition, as they have effects opposite to those needed for managing anaphylaxis, such as increasing secretions and bronchoconstriction. Thus, adrenergic (sympathomimetic) drugs are the critical choice for the immediate treatment of anaphylactic shock.