Which feature in history best suggests systemic back pain rather than mechanical?

• A. Pain constant or progressive, may wake from sleep, and is associated with fever, weight loss, or malaise
• B. Pain relieved with NSAIDs
• C. Pain worsens with movement and improves with rest
• D. Localized to a single joint

Answer: (A)

The key idea here is recognizing red flags that point toward systemic disease rather than a mechanical back issue. Systemic back pain often shows up as a constant or progressively worsening ache that can wake you from sleep and is accompanied by constitutional signs like fever, weight loss, or malaise. Those features suggest processes such as infection or cancer affecting the spine rather than a simple musculoskeletal strain.

That pattern matches the option described, making it the best choice. In contrast, mechanical back pain tends to behave differently: it typically worsens with activity and improves with rest, and it may not be associated with fever or weight loss. Pain relief with NSAIDs can occur in both mechanical and inflammatory conditions and doesn’t by itself indicate a systemic problem. A localized pain confined to a single joint also doesn’t point to a systemic process, and purely local issues are less likely to present with systemic signs.