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5 Red Flags of Low Back Pain You Shouldn’t Ignore

What are 5 red flags of low back pain?

Most low back pain improves with time, rest, and simple changes to daily habits. Still, some symptoms can signal a more serious problem that needs urgent medical evaluation. Here are five red flags to take seriously.

1) Loss of bladder or bowel control

New trouble controlling urination or bowel movements—especially when paired with back pain—can indicate pressure on spinal nerves. This is an emergency and should be evaluated right away.

2) Numbness in the groin or “saddle” area

Numbness or tingling around the inner thighs, buttocks, or genitals is another urgent warning sign. It can point to nerve compression that requires immediate care.

3) Fever, chills, or unexplained illness with back pain

Back pain combined with fever, chills, or feeling significantly unwell can suggest an infection. Seek prompt medical attention, especially if symptoms are worsening or you have risk factors like recent surgery or immune suppression.

4) History of cancer or unexplained weight loss

If there’s a personal history of cancer, or weight loss that isn’t intentional, back pain should be assessed without delay. While many causes are benign, these details raise concern for a serious underlying condition.

5) Severe trauma or pain that’s rapidly worsening

Back pain after a fall, car crash, or significant impact—especially in older adults—can indicate a fracture. Rapidly escalating pain, or pain that is unbearable despite rest, also warrants urgent evaluation.

If your pain is not severe but it’s disrupting sleep, adjusting nighttime habits can help. For practical sleep-position ideas and a simple checklist, see this guide to lower back pain at night and sleep positions.

For 5 Red Flags of Low Back Pain You Shouldn’t Ignore, the best answer depends on fit, material, care instructions, and how the product will be used day to day.

FAQ

When should I go to the ER for low back pain?

Go immediately if you have new bladder/bowel control problems, numbness in the groin/saddle area, major weakness, high fever with back pain, or severe pain after significant trauma.