Doctors Note Logo

Published on: 2/27/2026

Is it Anxiety? Why Your Brain is Stuck on High Alert & Medical Steps for Anxiety Disorder

There are several factors to consider: feeling stuck on high alert with racing thoughts, chest tightness, poor sleep, and constant worry can signal an anxiety disorder, where the brain’s fight or flight alarm becomes overactive and hard to shut off.

Medical evaluation matters because thyroid disease, heart rhythm problems, medication effects, and other conditions can mimic or worsen anxiety, and effective care often involves CBT, possible SSRIs or SNRIs, and targeted lifestyle changes. See below for complete guidance on what to do next, including when to seek urgent care and how to work with a clinician on a safe, stepwise plan.

answer background

Explanation

Is It Anxiety? Why Your Brain Is Stuck on High Alert & Medical Steps for Anxiety Disorder

Feeling "on edge" from time to time is normal. Your brain is wired to protect you. But if your mind and body feel stuck in survival mode—racing thoughts, tight chest, poor sleep, constant worry—you may be dealing with more than everyday stress. You may be experiencing an anxiety disorder.

Understanding what's happening in your brain and knowing the right medical steps can help you move forward safely and effectively.


Why Your Brain Feels Stuck on High Alert

Your brain has a built‑in alarm system. When it senses danger, it activates the fight‑or‑flight response. Stress hormones like adrenaline and cortisol rise. Your heart beats faster. Muscles tense. Breathing speeds up.

This response is helpful if you're avoiding a car accident. It's not helpful when it turns on during a work meeting or before bed.

In an anxiety disorder, the alarm system becomes:

  • Overactive
  • Overly sensitive
  • Triggered without real danger
  • Slow to turn off

Research shows that areas of the brain like the amygdala (fear center) and prefrontal cortex (logic and reasoning center) may communicate differently in people with anxiety disorders. The amygdala may overreact, while the logical part of the brain struggles to calm it down.

This is not a personal weakness. It's a medical condition involving brain chemistry, stress hormones, genetics, and life experiences.


What Is an Anxiety Disorder?

An anxiety disorder is more than occasional worry. It involves persistent, excessive fear or worry that interferes with daily life.

Common types include:

  • Generalized Anxiety Disorder (GAD) – Ongoing, hard‑to‑control worry about everyday life.
  • Panic Disorder – Sudden episodes of intense fear (panic attacks).
  • Social Anxiety Disorder – Intense fear of social situations or being judged.
  • Specific Phobias – Strong fear of specific objects or situations.
  • Separation Anxiety Disorder – Excessive fear of being away from loved ones (can affect adults too).

Anxiety disorders are among the most common mental health conditions worldwide. They are highly treatable—but often untreated.


Signs Your Anxiety May Be a Medical Condition

Everyone worries. But consider an anxiety disorder if symptoms:

  • Last more than six months
  • Feel difficult to control
  • Affect work, relationships, or sleep
  • Cause physical symptoms

Common symptoms include:

Mental and Emotional Symptoms

  • Constant worry or dread
  • Feeling restless or "on edge"
  • Difficulty concentrating
  • Irritability
  • Trouble sleeping

Physical Symptoms

  • Rapid heartbeat
  • Chest tightness
  • Shortness of breath
  • Muscle tension
  • Headaches
  • Stomach problems
  • Fatigue

If you're experiencing these symptoms and want clarity on whether they may indicate an anxiety disorder, Ubie's free AI-powered Anxiety Symptom Checker can help you understand what you're dealing with and guide your next steps toward getting professional care.


When Anxiety Can Be Something Else

It's important not to assume all anxiety symptoms are purely psychological.

Medical conditions that can mimic or worsen anxiety include:

  • Thyroid disorders
  • Heart rhythm problems
  • Asthma
  • Hormonal changes (including menopause)
  • Vitamin deficiencies (like B12)
  • Medication side effects
  • Substance use or withdrawal

This is why a medical evaluation matters. Treating the underlying cause can significantly improve symptoms.


Medical Steps for Anxiety Disorder

If you suspect an anxiety disorder, here's what responsible medical care usually involves:

1. Speak to a Doctor

Start with your primary care provider. They can:

  • Review your medical history
  • Ask detailed symptom questions
  • Perform a physical exam
  • Order blood tests if needed
  • Rule out medical causes

Be honest about your symptoms. Doctors are trained to handle these conversations professionally and without judgment.

Important: If you experience chest pain, fainting, severe shortness of breath, thoughts of self-harm, or any symptoms that could be life-threatening, seek emergency medical care immediately.


2. Psychological Therapy (First-Line Treatment)

For many people, therapy is the most effective long-term treatment.

Cognitive Behavioral Therapy (CBT) is considered the gold standard for anxiety disorder. It helps you:

  • Identify unhelpful thought patterns
  • Challenge catastrophic thinking
  • Gradually face feared situations
  • Build coping tools

Other evidence-based therapies include:

  • Exposure therapy
  • Acceptance and Commitment Therapy (ACT)
  • Mindfulness-based therapies

Therapy works because it retrains the brain's alarm system.


3. Medication (When Appropriate)

Medication is not a failure. For some people, it's necessary and life-changing.

Common medications used to treat anxiety disorder include:

  • SSRIs (Selective Serotonin Reuptake Inhibitors)
  • SNRIs (Serotonin-Norepinephrine Reuptake Inhibitors)

These medications help regulate brain chemistry and reduce the intensity of the anxiety response. They are generally safe but may take several weeks to show full benefit.

Other medications may be used short-term in specific cases.

Always discuss risks, benefits, and side effects with your doctor before starting or stopping medication.


4. Lifestyle Changes That Support Treatment

Lifestyle changes alone may not cure an anxiety disorder, but they significantly improve outcomes.

Evidence-supported strategies include:

  • Regular physical activity (even 20–30 minutes daily)
  • Consistent sleep schedule
  • Limiting caffeine
  • Reducing alcohol intake
  • Balanced nutrition
  • Daily relaxation techniques (deep breathing, meditation)

Small, steady changes are more effective than drastic overhauls.


Why Anxiety Feels So Physical

Many people with anxiety disorder worry they have a serious medical illness because symptoms feel so intense.

Here's why anxiety feels physical:

  • Stress hormones affect the heart and lungs.
  • Muscle tension causes pain and headaches.
  • Rapid breathing can cause dizziness or tingling.
  • Gut-brain connections trigger nausea or stomach upset.

These sensations are real. They are not "imagined." But they are often reversible with proper treatment.


What Happens If Anxiety Is Left Untreated?

Avoiding treatment can lead to:

  • Worsening symptoms
  • Depression
  • Substance misuse
  • Work or relationship difficulties
  • Reduced quality of life

Chronic stress also affects physical health over time, increasing risks for high blood pressure and sleep disorders.

This is not meant to scare you—but to emphasize that treatment matters.

The good news: anxiety disorder is highly treatable. Many people experience major improvement with the right support.


When to Seek Immediate Help

Seek urgent medical care if you experience:

  • Chest pain or pressure
  • Trouble breathing
  • Sudden confusion
  • Thoughts of harming yourself
  • Panic symptoms that feel different from usual

It is always better to be evaluated and told "it's anxiety" than to ignore a potentially serious condition.


A Balanced Perspective

Anxiety is part of being human. An anxiety disorder is a medical condition. There is a difference.

You are not weak. You are not "overreacting." And you are not alone.

If your brain feels stuck on high alert, that does not mean you are broken. It means your nervous system needs support.

Consider starting with Ubie's free AI-powered Anxiety Symptom Checker, then take the next step and speak to a doctor. A proper evaluation can rule out serious causes and guide you toward evidence-based treatment.

Anxiety disorders respond well to care. With the right approach—medical guidance, therapy, and practical lifestyle changes—your brain can learn to feel safe again.

And if anything about your symptoms feels severe, life-threatening, or significantly worsening, seek medical attention immediately. Your health and safety come first.

(References)

  • * Adamo, E. M., et al. (2022). The neurobiology of anxiety disorders: A focus on brain circuits, genetics, and epigenetics. *Frontiers in Neuroscience*, 16, 959300. PMID: 36045864. DOI: 10.3389/fnins.2022.959300

  • * Maron, A., et al. (2021). Treatment guidelines for anxiety disorders: current recommendations and recent developments. *Current Opinion in Psychiatry*, 34(6), 488-494. PMID: 34334693. DOI: 10.1097/YCO.0000000000000720

  • * Stein, C. P. B., et al. (2023). Anxiety Disorders: A Review of Epidemiology, Pathophysiology, and Treatment. *Psychiatric Clinics of North America*, 46(2), 269-286. PMID: 37217316. DOI: 10.1016/j.psc.2023.02.002

  • * O'Dowd, S. A. G., et al. (2021). Neurobiological circuits and mechanisms of anxiety disorders: a translational perspective. *Translational Psychiatry*, 11(1), 173. PMID: 33712530. DOI: 10.1038/s41398-021-01297-y

  • * Pommier, M. E. R., et al. (2021). Combined pharmacotherapy and psychotherapy for anxiety disorders: A systematic review and meta-analysis. *Journal of Affective Disorders*, 294, 693-703. PMID: 34474377. DOI: 10.1016/j.jad.2021.07.034

Thinking about asking ChatGPT?Ask me instead

Tell your friends about us.

We would love to help them too.

smily Shiba-inu looking

For First Time Users

What is Ubie’s Doctor’s Note?

We provide a database of explanations from real doctors on a range of medical topics. Get started by exploring our library of questions and topics you want to learn more about.

Learn more about symptoms

Anxiety

Learn more about diseases

Anxiety

Was this page helpful?

Purpose and positioning of servicesUbie Doctor's Note is a service for informational purposes. The provision of information by physicians, medical professionals, etc. is not a medical treatment. If medical treatment is required, please consult your doctor or medical institution. We strive to provide reliable and accurate information, but we do not guarantee the completeness of the content. If you find any errors in the information, please contact us.