Back pain can range from a dull, constant ache to a sudden, sharp pain that makes it hard to move. It can start quickly if you fall or lift something too heavy, or it can get worse slowly. Acute back pain may last a few days to a few weeks whereas chronic back pain may persist for 3 months or more.

Symptom severities
Severe
2,816
Moderate
4,746
Mild
4,410
None
4,851
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