Which of the following is NOT a common sign of an allergic reaction?

Wheezing is indeed a common sign associated with an allergic reaction, particularly in cases where the airway becomes constricted or the individual experiences bronchoconstriction. This can occur in responses to allergens that provoke respiratory symptoms. Itching or flushed skin, urticaria (hives), and watery eyes are more commonly recognized as direct manifestations of allergic reactions, stemming from the body's immune response to allergens, which can trigger histamine release and various reactions in the skin, eyes, and respiratory system.

The individual symptoms typically seen in allergic responses are often grouped based on the area affected. Skin reactions like itching and hives are direct responses, while watery eyes relate to conjunctival reaction. Each symptom reflects the body’s attempt to manage and expel allergens, making wheezing a key component of respiratory response rather than an outlier in the context of allergic reactions.