Nothing is wrong. You know nothing is wrong. And yet something is sitting in your chest that you can’t shake. You go looking for what caused it and come up empty, which doesn’t make it go away, it just adds confusion on top of the anxiety.
That experience has a shorter list of explanations than most people think. It’s almost never actually sourceless. The source is just usually not where people are looking.
The Alarm Stuck in the On Position
Anxiety is the body’s threat response. Short term it does what it’s supposed to: something dangerous shows up, heart rate goes up, attention narrows, the body gets ready to move. That system was built for threats that arrive and then end.
Financial stress doesn’t end in twenty minutes. Neither does a difficult relationship or an overloaded job or a health scare that’s been sitting unresolved for weeks. The alarm keeps firing because the stressor hasn’t gone away, even when the stressor isn’t something you can point to in the moment. Eventually the nervous system gets calibrated to that elevated state and runs it as the default. By then the original trigger doesn’t even need to be present anymore. The anxiety just is.
Generalized Anxiety Disorder
The diagnosis of GAD requires the presence of excessive anxiety for at least six months, spanning several domains and is difficult to control, in addition to the presence of at least three of the following: restlessness, exhaustion, difficulty concentrating, irritability, muscle tension, and sleep disturbance. All of these symptoms are important.
The pattern most people with GAD describe is that the worry moves. One thing resolves and the next concern fills the space without a gap. If nothing specific is present, the brain finds something. That’s what produces the feeling of being anxious about nothing: the trigger keeps changing, so there’s never a clear one to identify.
Check the Physical Stuff First
A racing heart, tight chest, shortness of breath, and a vague sense of dread can be anxiety. They can also be a thyroid that’s misfiring, low blood sugar, anemia, or a medication side effect. Multiple non-mental health situations produce symptoms identical to anxiety.
- Hyperthyroid patients have anxiety that resembles a panic disorder and also have restlessness and heart palpitations.
- Low blood sugar causes anxiety that manifests as a racing heart and shakiness, and a specific type of dread that dissipates after eating.
- Some blood pressure medications and corticoids list anxiety as a side effect, and stimulants also have this side effect.
- New or increased sustained high caffeine consumption can also create anxiety that does not feel connected to what you drank in the morning.
Anxiety that came on suddenly without any identifiable life stressor, or that comes with strong physical symptoms, is worth a medical workup before anything else. Psychiatric treatment doesn’t fix a thyroid problem.
Sleep
Anxiety disrupts sleep. Poor sleep makes the amygdala, the brain’s threat-detection center, more reactive the next day. So the anxiety makes you sleep badly, the bad sleep makes you more anxious, and by the time you’ve been in that loop for a month you have no idea which one started it.
A sleep-deprived amygdala isn’t being dramatic. It’s doing exactly what it’s wired to do with reduced regulation from the prefrontal cortex, which needs sleep to function properly. The anxiety the next morning after a bad night is a predictable neurological output, not a sign that something is seriously wrong with you. Although if it keeps happening, something does need to change.
Hormones
Anxiety that tracks with the menstrual cycle, postpartum, or perimenopause is hormonal anxiety, and it gets missed constantly because nobody makes the connection. Estrogen has a modulating effect on serotonin availability. When estrogen drops, serotonin can drop with it. The week before a period, the months after delivery, the years of perimenopause: these are all windows where significant anxiety can appear or worsen for biological reasons that have nothing to do with what’s happening in someone’s life.
This responds to treatment differently than standard anxiety. A provider who doesn’t ask about cycle timing or hormonal history might treat it incorrectly for a long time.
Old Nervous Systems in New Situations
An unstable childhood, prolonged exposure to stressful environments, and chronic insecurity physically recalibrate the nervous system. For these people, the threat detection system remains on high alert.
Someone who is raised in such an environment and enters a stable environment later in life can still suffer from chronic anxiety as a result of the nervous system being recalibrated to the old environment. In these cases, low anxiety seems to be coming from nowhere, but in reality, low anxiety is the system trying to tell the environment that the old condition of constant threat is still present.
When to Get It Looked At
One bad anxious week is not a disorder. Anxiety that has been present for months, that you can’t control or explain, that’s affecting sleep or work or relationships, that’s worth bringing to a provider. An evaluation isn’t a commitment to a diagnosis. It’s a way of finding out what’s actually driving it so treatment goes in the right direction.
Medcanvas Psychiatry
At Medcanvas Psychiatry in Minot, North Dakota, anxiety gets looked at properly, including what’s underneath it. We see patients aged 6 to 70, in-person and by telepsychiatry. If this has been going on for a while and you still don’t know why, that’s reason enough to book an appointment.
You don’t have to arrive with an explanation.
Phone: 701-963-6917 | 701-857-1333
Email: contact-us@medcanvaspsychiatry.com
Location: 104 20th Ave., SW Ste. 4, Minot, ND 58701
Website: medcanvaspsychiatry.com
Mental health and physical health are not separate conversations. At Medcanvas Psychiatry, we treat the whole person, at every age.
