by Susan Stamper •
Content Marketing Manager, ChiroHealthUSA •
There is a particular kind of confidence that comes with learning a clinical skill. You study the terms, memorize the tests, practice the procedures, and slowly the mysterious starts to feel manageable. Then a real patient walks in, says something unexpected, and suddenly the neat little checklist in your brain starts waving its arms like a frantic stage manager behind the curtain.
That is where red flags come in.
As a chiropractic patient, I have always appreciated the doctors who ask one more question, pause before assuming, and explain what they are looking for without making the visit feel like an episode of a medical drama. As someone with a background in English literature and technical writing, I also know that the details matter. A small line in the story can change the entire plot.
In chiropractic exams, red flags are those details. They are signs, symptoms, or patterns that may suggest something more serious than routine musculoskeletal pain. They do not automatically equal a diagnosis. They are not crystal balls. They are more like smoke alarms. Sometimes it is burnt toast. Sometimes it is the curtains. Either way, you do not ignore the sound and keep making breakfast.
For chiropractic students and early-career doctors, learning to recognize red flags is not about practicing scared. It is about practicing responsibly. It is about knowing when the next best step may not be treatment, but instead referral, further evaluation, imaging, or emergency care.
Red Flags Are More Than Memorization
In school, red flags often appear as tidy lists: history of cancer, unexplained weight loss, fever, trauma, bowel or bladder changes, saddle anesthesia, progressive weakness, night pain.
Lists are useful. They help organize information. They also make complicated topics feel less like a haunted attic full of mystery boxes.
But patients do not always speak in checklist format. They may say:
- “I thought the numbness was from sitting too long.”
- “I’ve been dropping things, but I figured I was just tired.”
- “I didn’t think the bladder issue mattered.”
- “I had cancer years ago, but that’s unrelated, right?”
These comments may sound casual, but clinically, they can be loaded. A single symptom may not tell the whole story, but several unusual details together can begin to form a pattern. That is the skill students need to develop: not just memorizing red flags, but recognizing when the patient’s story is no longer behaving like ordinary mechanical pain.
The research supports this kind of careful reasoning. Red flags are not all equally predictive on their own, and some have limited diagnostic value when used in isolation. However, when symptoms appear in combination or alongside significant risk factors, they can help identify patients who need further medical evaluation rather than routine conservative care.
When Waiting Is the Risk
Some red flag conditions are rare, but they matter because the consequences of missing them can be severe. Cauda equina syndrome, spinal infection, metastatic spinal cord compression, progressive cervical myelopathy, vascular emergencies, and unstable trauma are not “let’s try a few visits and see what happens” situations.
That is not being dramatic. That is the clinical equivalent of noticing the bridge is out before driving across it.
Students and new doctors do not have to diagnose every serious condition in the office. That is not the point. The point is to recognize when a patient’s presentation requires a higher level of evaluation. In those moments, the safest chiropractic care may be knowing when not to provide routine treatment that day.
Cauda Equina Syndrome: Ask the Awkward Questions
Cauda equina syndrome is one of the major “do not miss” conditions in spine care. It involves compression of the lumbosacral nerve roots and may affect bladder, bowel, and sexual function, as well as saddle sensation and lower-limb strength.
That means the history has to go beyond “Where does it hurt?” and “Does it travel down your leg?”
Students should be prepared to ask about new urinary retention, incontinence, altered urinary sensation, bowel dysfunction, saddle anesthesia, changes in sexual function, bilateral leg symptoms, and progressive weakness.
Are those questions awkward? Absolutely. No one casually dreams of asking strangers about saddle anesthesia before lunch. But patient safety sometimes lives on the other side of an uncomfortable question.
One way to ask without making the patient feel singled out is:
“Because certain nerve problems can affect bladder, bowel, or sensation in the groin area, I ask everyone with this type of presentation a few safety questions.”
That simple framing does a lot of work. It normalizes the question, explains why it matters, and keeps the conversation professional.
If the answers raise concern, the visit changes. Routine chiropractic care should pause, and urgent medical evaluation is warranted.
Cervical Myelopathy: The Quiet Plot Twist
Some red flags do not kick the door open. They slip in quietly.
Cervical myelopathy, which can result from spinal cord compression, may not start with severe neck pain. A patient may instead mention clumsy hands, worsening handwriting, balance problems, falls, or difficulty with buttons. On paper, these can sound small. In real life, they can be the first loose threads in a much larger clinical sweater.
Students should pay attention to hand clumsiness, gait changes, frequent tripping, bilateral numbness or tingling, hyperreflexia, and upper motor neuron signs such as Hoffmann, Babinski, or clonus. This is where the neurological exam becomes more than a school requirement. It becomes a safety tool.
The patient who says, “I keep dropping things,” may simply be tired or distracted. We have all had days when our hands seem to be operated by a committee of raccoons. But if that complaint appears with balance problems, bilateral symptoms, or abnormal neurological findings, it deserves serious attention.
Infection, Cancer History, and Pain That Does Not Follow the Script
Spinal infection and malignancy are challenging because they may not arrive looking obvious. Fever may be absent. Pain may be the main complaint. The story may begin like a fairly standard back or neck case, then slowly tilt in another direction.
Risk factors for spinal infection may include recent infection, recent spinal procedure, immunosuppression, diabetes, IV drug use, dialysis, unexplained systemic illness, severe focal spinal tenderness, or neurologic deficit. When these appear together, especially with severe or worsening pain, referral for medical evaluation becomes important.
A history of cancer also deserves careful follow-up. That does not mean every ache in a patient with a past cancer diagnosis is metastatic disease. It does mean the history should not be waved away because the diagnosis was “years ago.” Cancer history does not expire like a forgotten coupon at the bottom of a purse.
Questions about unexplained weight loss, night pain, progressive symptoms, pain that is not relieved by position change, and new neurologic changes can help determine whether the case still fits routine musculoskeletal care or needs further workup.
The key is not to force the patient’s story into the box you expected. If the pain does not behave like mechanical pain, listen to that.
Vascular Symptoms: When “Neck Pain” Is Doing Too Much
Most neck pain is musculoskeletal. Thankfully. Otherwise, every student clinic would need a panic button next to the adjusting table.
But some vascular or cardiac conditions can mimic musculoskeletal complaints. Sudden, severe, or unusual headache; new one-sided neck pain that feels different; dizziness; double vision; trouble speaking or swallowing; drop attacks; ataxia; facial numbness; limb weakness; or cranial nerve findings should not be brushed aside.
The same is true when upper back, chest, shoulder, jaw, or arm symptoms come with shortness of breath, sweating, nausea, fainting, or chest pressure.
The goal is not to assume the worst in every case. The goal is to notice when the presentation has stepped outside the normal script. If the story sounds less like “I slept wrong” and more like “something is not right,” that is worth respecting.
Trauma and Fracture Risk: Listen Past the Patient’s Shrug
Patients can be surprisingly casual about trauma.
“It was just a little fall.”
“I only slipped off one step.”
“I landed funny, but I’m sure it’s fine.”
Sometimes they are right. Sometimes they are not.
Trauma risk depends on more than the patient’s tone. Age, bone health, mechanism of injury, medications, focal bony tenderness, bruising, anticoagulant use, osteoporosis, chronic corticosteroid use, and new neurologic symptoms all matter.
A “little fall” in a healthy 22-year-old and a “little fall” in an older adult with osteoporosis are not the same clinical story. Same phrase. Very different stakes.
When fracture risk is meaningful, the responsible next step is referral for appropriate evaluation and imaging, not treatment through uncertainty.
Mental Health Red Flags Count, Too
Patients are not just collections of joints, muscles, and imaging findings. They are people with jobs, bills, families, fear, stress, and sometimes more pain than they know how to carry.
If a patient says, “I can’t do this anymore,” “Everyone would be better off without me,” or “I don’t see the point,” that is not background noise. That is a safety concern.
Asking, “Are you having thoughts of hurting yourself?” may feel difficult, but it is a necessary question when the conversation points in that direction. If the patient has suicidal thoughts, a plan, intent, access to means, or cannot commit to safety, the appropriate emergency protocol should be followed immediately.
This may not be the red flag most students expect to discuss in a chiropractic exam, but it matters. Pain has a voice, and sometimes it says more than “my back hurts.”
Communication and Documentation Matter
Knowing when to refer is only part of the work. Explaining it well matters, too.
A patient does not need a dramatic speech. They need clarity.
A simple statement might be:
“Some parts of your history and exam are not typical for routine mechanical pain. I do not want to treat this as a standard chiropractic case until you are medically evaluated. The safest next step is urgent assessment.”
That language is calm, direct, and respectful. It does not diagnose beyond the evidence. It also does not minimize the concern.
Documentation should be just as clear. When red flags appear, document what the patient reported, when symptoms began, whether they are changing, relevant positives and negatives, objective findings, why care was deferred, where the patient was referred, and how the patient responded.
“Red flags discussed” is not enough. That is the charting equivalent of tossing everything into a closet before company arrives. Tell the clinical story.
The Takeaway
Early in training, it is natural to want the case to fit what you know.
Low back pain? SI joint.
Neck pain? Facets.
Headache? Cervicogenic.
And sometimes, yes, it is exactly that.
But before jumping to the familiar answer, the first question should be: Is this patient safe for conservative care today?
Red flags are not there to make chiropractic students practice scared. They are there to help future doctors practice wisely. They are the footnotes in the patient’s story, the underlined sentence, the detail that changes the ending if no one pays attention.
Ask the uncomfortable questions. Notice the details that do not fit. Respect patterns. Refer when the risk is too high to guess. Document like the next person reading the chart was not in the room with you.
Sometimes the best care a chiropractor provides is an adjustment, a rehab plan, or a clear explanation that gives a patient hope.
And sometimes, the best care is knowing when to stop.
That is not stepping away from practice. That is stepping into the responsibility of it.
References
American College of Radiology. (n.d.). ACR Appropriateness Criteria: Low back pain. https://acsearch.acr.org/list/GetAppendix?TopicId=141&TopicName=Low+Back+Pain
American Heart Association. (2024). Treatment and outcomes of cervical artery dissection in adults: Top things to know. https://professional.heart.org/en/science-news/treatment-and-outcomes-of-cervical-artery-dissection-in-adults/top-things-to-know
Downie, A., Williams, C. M., Henschke, N., Hancock, M. J., Ostelo, R. W. J. G., de Vet, H. C. W., Macaskill, P., Irwig, L., van Tulder, M. W., & Koes, B. W. (2013). Red flags to screen for malignancy and fracture in patients with low back pain: Systematic review. BMJ, 347, f7095. https://www.bmj.com/content/347/bmj.f7095
Finucane, L. M., Downie, A., Mercer, C., Greenhalgh, S. M., Boissonnault, W. G., Pool-Goudzwaard, A. L., Beneciuk, J. M., Leech, R. L., & Selfe, J. (2020). International framework for red flags for potential serious spinal pathologies. Journal of Orthopaedic & Sports Physical Therapy, 50(7), 350–372. https://www.jospt.org/doi/epdf/10.2519/jospt.2020.9971
Infectious Diseases Society of America. (2015). Clinical practice guidelines for the diagnosis and treatment of native vertebral osteomyelitis in adults. https://www.idsociety.org/practice-guideline/vertebral-osteomyelitis/
National Institute for Health and Care Excellence. (2023). Spinal metastases and metastatic spinal cord compression: Recommendations. https://www.nice.org.uk/guidance/ng234/chapter/Recommendations
Royal College of Emergency Medicine. (2024). Cauda equina syndrome position statement. https://rcem.ac.uk/wp-content/uploads/2024/03/RCEM_Cauda_Equina_Syndrome_Position_Statement_v1.pdf
World Health Organization. (2023). WHO guideline for non-surgical management of chronic primary low back pain in adults in primary and community care settings. https://www.who.int/publications/i/item/9789240081789
