POTS and the Upper Cervical Spine: What the Evidence Shows

POTS is a form of orthostatic intolerance: the autonomic nervous system fails to properly regulate heart rate and blood flow when a person moves from sitting or lying to standing. According to the National Institute of Neurological Disorders and Stroke (NINDS), the hallmark finding is a heart rate increase of more than 30 beats per minute — or a rate exceeding 120 beats per minute — within ten minutes of standing, typically without the drop in blood pressure that defines classic orthostatic hypotension. Associated symptoms include lightheadedness, palpitations, dizziness/vertigo, fatigue, headache, and cognitive difficulties often described as "brain fog."

POTS is estimated to affect one to three million people in the United States, according to Johns Hopkins Medicine, and disproportionately affects women, often with onset around puberty or after a triggering event such as viral illness, pregnancy, surgery, or trauma. It frequently co-occurs with joint hypermobility disorders such as Ehlers-Danlos syndrome and with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). Diagnosis is typically made with a tilt-table test, which tracks heart rate and blood pressure as a patient moves from horizontal to upright.

The proposed connection rests on anatomy. The upper cervical spine — the atlas (C1) and axis (C2) — sits directly at the base of and beneath the brainstem, home to nuclei involved in regulating heart rate, blood pressure, and vascular tone, and closely associated with the vagus nerve, a primary driver of parasympathetic signaling. The vertebral arteries, which help supply blood to the brainstem, also pass directly through and around the C1-C2 segment. Some clinicians hypothesize that structural instability or irritation at this junction could interfere with the signaling or blood flow supporting normal autonomic regulation.

This mirrors the anatomical rationale used to explain cervicogenic dizziness, a better-studied condition in which neck-related signals are thought to disrupt balance rather than heart rate regulation. The POTS-specific version of this idea is newer, and its supporting literature is considerably thinner — at this point, a plausible hypothesis rather than an established mechanism. But based on our experience, this is often accurate.

The clearest published example is a 2024 case report in the journal Cureus. A 27-year-old woman with six years of chronic dizziness was found on dynamic X-ray imaging to have lateral instability between C1 and C2, alongside a tilt-table-confirmed diagnosis of POTS (heart rate rising from 67 to 112 beats per minute on standing). Over eight months of conservative, non-thrust manual care — cervical mobilization, soft-tissue work, a stabilization exercise program, and a home cervical orthosis, alongside increased dietary sodium and fluids — her Dizziness Handicap Inventory score improved from 50 (moderate handicap) to 10 (below the mild-handicap threshold), and she returned to running and exercise.

We have seen many cases that mirror the above case. One specific example, shared here with the patient's permission, is a 24-year-old woman who had been limited to her bed and couch all day due to the severity of her symptoms. She could not work, exercise, or drive. Within the first month, she was able to start exercising. At two months she was driving an hour by herself to her appointments. And within three months, she was able to find work. This was under upper cervical care, stress management, and recommended exercises. Her recovery was notably faster and more complete than what we typically see — most patients experience gradual, incremental improvement over a longer course of care, and how much someone improves depends on their overall health and how long they've been dealing with symptoms.

The typical path to a POTS diagnosis runs through primary care, cardiology, neurology or an autonomic specialist, and culminates in a tilt-table test. Management then centers on fluid and salt intake, compression garments, graded exercise, and medication — none of which routinely includes an examination of the cervical spine's joints or motion. A coexisting upper cervical issue, where one is present, would not surface through that pathway unless a clinician specifically looked for it.

The overlap may matter most for the subset of POTS patients who also have a joint hypermobility disorder such as Ehlers-Danlos syndrome, since hypermobility can independently predispose the cervical spine to instability. Even there, published reviews of craniocervical instability in Ehlers-Danlos patients note there is no diagnostic consensus on which radiographic findings represent clinically meaningful instability — an evolving, unsettled area rather than a well-mapped one.

For someone whose POTS symptoms have not improved with standard autonomic-specialist care, and who also has neck pain, a history of whiplash or head/neck trauma, or a hypermobility disorder, it is reasonable to raise the possibility of a cervical contribution with a treating physician. Upper cervical care is not a cure for POTS and does not always completely resolve the underlying autonomic dysregulation, but in our experience it can meaningfully — and in some cases dramatically — reduce day-to-day symptom burden when it is combined with standard autonomic care, rather than used in place of it.

This summary does not constitute medical advice and is not a substitute for an individualized clinical evaluation. POTS is a complex, multi-system condition, and any suspected cervical contribution should be evaluated alongside — not instead of — standard cardiology or autonomic-specialist care.