You have had the tests. The bloodwork is unremarkable. Someone has told you, kindly or otherwise, that it is probably anxiety and that your physical symptoms should settle once you relax.
Sometimes that is true. Often it is incomplete. And occasionally it is the sentence that delays a diagnosis by years.
Start here: anxiety and a medical condition are not either-or
The most common mistake in this conversation is treating it as a competition. You can have genuine anxiety and an undiagnosed medical condition at the same time. In fact, the first frequently arrives because of the second: a body producing symptoms nobody can explain is a genuinely alarming place to live.
Being anxious about your health does not mean nothing is wrong with your health. When someone has watched a parent receive a serious diagnosis, their worry is not irrational. It is informed. And a clinician who hears that worry and stops looking has mistaken a reasonable fear for an explanation.
If your gut says something is being missed, keep going. Ask for the next test. Ask for a second opinion. You are allowed to hold both: get support for the anxiety, and keep pursuing medical answers.
What else looks like anxiety
A few conditions produce almost exactly the anxiety picture and are routinely missed:
Dysautonomia, including POTS. Racing heart on standing, lightheadedness, nausea, brain fog, exhaustion, heat intolerance. It gets called panic constantly. The overlap with neurodivergence is now measured, not anecdotal: a 2022 study in Frontiers in Psychiatry found joint hypermobility in roughly 50% of neurodivergent adults compared with 17.5% of a comparison group, and found that hypermobility statistically mediated the link between neurodivergence and symptoms of dysautonomia and pain. Orthostatic intolerance scores averaged 24.2 in the neurodivergent group against 5.1 in the comparison group. The study is cross-sectional, so it shows a pathway rather than proving cause. What it means practically is that this gets missed most in people who already carry a mental health label.
Thyroid conditions, in either direction.
Anemia and vitamin deficiencies.
Sleep apnea, which produces fatigue, irritability and cognitive fog.
Perimenopause, which can begin far earlier than people expect.
Early neurological conditions, where tremor, stiffness, changed handwriting or altered smell can precede the obvious signs by years.
Long-term effects of infection, autoimmune conditions, and medication side effects.
And the hard stops, which belong with a doctor now rather than with a blog: new or worsening chest pain, fainting, a sudden severe headache, or any new neurological change.
What anxiety is actually doing in the body
Your nervous system has no separate channel for emotional distress. It uses the body, because the body is what it has. Tight muscles, fast heart, digestion shut down, senses sharpened. Run that for an hour and you barely notice. Run it for months and you get headaches, a stomach that will not settle, and exhaustion sleep does not touch.
That is a protective system doing its job too long, not you failing to cope.
The parts underneath the worry
From an Internal Family Systems view, health anxiety is rarely one thing. There is usually a part that scans, researches and checks, and its job is to make sure you are never blindsided the way someone once was. There is often a second part that dismisses everything and tells you not to make a fuss, which is why people oscillate between urgency and minimising.
Both are protectors. Both are trying to prevent the same unbearable moment. Neither is the whole of you, and the goal is not to defeat the worried part but to let it stand down because something more reliable is in charge: a plan, a doctor who is still looking, and a Self that can hold uncertainty without being run by it.
What therapy does here
We work on what the fear costs you, build interoceptive skill so you can read your own signals more precisely, and support you to stay in the medical process rather than give up on it. That is evidence-informed work drawing on IFS, somatic approaches, ACT and CBT, matched to you.
We will never tell you it is all in your head.
At Niyyah Counseling in Bedford, Texas, we work with adults across Texas by telehealth and in person. (our specializations) Reach out for a consultation.
If you are in crisis, call or text 988 for the Suicide and Crisis Lifeline.
Sources
Csecs JLL, Iodice V, Rae CL, et al. Joint Hypermobility Links Neurodivergence to Dysautonomia and Pain. Frontiers in Psychiatry, 2022;12:786916.
Internal Family Systems model: Richard C. Schwartz.
