Which of the following is NOT a typical symptom of a febrile transfusion reaction?

In the context of a febrile transfusion reaction, the typical symptoms usually include an increase in temperature, which indicates a rise in the body's response to a possible antigen-antibody reaction triggered by the transfusion. Additionally, low back pain is commonly associated with hemolytic reactions, which can occur in tandem with febrile reactions, as it reflects the body's stress response to the transfused blood.

Shaking headache is not a typical symptom associated with febrile transfusion reactions. Instead, it may be more characteristic of other conditions or can be a symptom of a separate issue unrelated to the transfusion itself. Shortness of breath, while it could occur in other types of transfusion reactions (e.g., transfusion-related acute lung injury), is not standard for febrile reactions specifically.

Focusing on the hallmark symptoms of febrile transfusion reactions helps in identifying and managing them effectively, which typically include fever and chills rather than respiratory distress or headaches.