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Multiple Choice

Which of the following is a red flag that would prompt urgent referral for cancer or infection in a patient with back pain?

Age over 50 is a red flag for back pain because the likelihood of cancer or vertebral infection increases with age, making urgent referral warranted when a new or progressive pain appears in an older patient. This threshold prompts imaging and a more thorough evaluation to rule out serious pathology. By comparison, pain that improves with rest points toward a mechanical, benign source rather than a malignant or infectious process; not having fever argues against infection in that moment; and a short duration after a minor strain suggests a typical, self-limiting musculoskeletal issue. Thus, advancing age alone stands out as the strongest cue for urgent referral in this scenario.

Age over 50 is a red flag for back pain because the likelihood of cancer or vertebral infection increases with age, making urgent referral warranted when a new or progressive pain appears in an older patient. This threshold prompts imaging and a more thorough evaluation to rule out serious pathology. By comparison, pain that improves with rest points toward a mechanical, benign source rather than a malignant or infectious process; not having fever argues against infection in that moment; and a short duration after a minor strain suggests a typical, self-limiting musculoskeletal issue. Thus, advancing age alone stands out as the strongest cue for urgent referral in this scenario.