Always Nervous
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Try one of these related symptoms.
Short tempered
Insomnia
Mind wandering
Uneasy feeling in body
Trouble focusing
Dizzy and trouble focusing eyes
Uneasy feeling
Restless sleep
Difficulty concentrating
Excessive yawning anxiety
Irritability and depression
Easily annoyed
About the Symptom
Persistent nervousness can be feelings of constant worry, fear, or anxiety. It can be caused by many different medical or psychiatric conditions.
When to See a Doctor
Seek professional care if you experience any of the following symptoms
- Numbness of the body
- Suicidal thought
- Recent weight loss
- Palpitation
- Numbness / sensory disorder
- Abnormal sensation (tingling, prickling)
- Difficulty breathing / breathlessness
- Easy fatiguability
Possible Causes
Generally, Always nervous can be related to:
- Adjustment Disorder
A psychological disorder, often with low mood and anxiety. It is triggered by a sudden change in life circumstances, e.g. divorce or losing a job.
- Depression
Depression is a mental illness that leads to low mood, reduced energy levels, and changes in sleep. This affects everyday activities like attending school and work. As the condition worsens, patients might have suicidal thoughts. Although stress and past trauma can cause depression, it can take time to identify and address causes, and genetic factors may also be at play.
- Sleep Disorder
Sleep disorders are conditions that affect the quality, timing, or duration of your sleep, impacting your ability to function when you're awake. There are many types of sleep disorders, including disturbances in sleep quality or quantity, excessive daytime sleepiness, abnormal behaviors during sleep, sleep disorders related to mental disorders, and more. Narcolepsy is one such disorder, often grouped under hypersomnias - a category of conditions characterized by excessive daytime sleepiness - and can be mistaken for or coexist with other sleep disorders like sleep apnea. Accurate diagnosis is essential for effective treatment.
- Hyperventilation Syndrome / Panic Attacks
- Obsessive-Compulsive Disorder
- Social Anxiety Disorder
- Anxiety
- Migraine
- Alzheimer's Disease
- Hypothyroidism
Doctor's Diagnostic Questions
Your doctor may ask these questions to check for this symptom:
- Do you feel nervous all the time?
Reviewed By:
Charles Carlson, DO, MS (Psychiatry)
Dr. Carlson graduated from Touro University in Nevada with a degree in osteopathic medicine. He then trained as a resident in Psychiatry at Case Western Reserve University/University Hospitals where he was also a chief resident and completed a fellowship in Public and Community Psychiatry. After training, he started practicing in | Addiction Psychiatry at the U.S. Department of Veterans Affairs where he also teaches Psychiatry residents.
Yu Shirai, MD (Psychiatry)
Dr. Shirai works at the Yotsuya Yui Clinic for mental health treatment for English and Portuguese-speaking patients. He treats a wide range of patients from neurodevelopmental disorders to dementia in children and participates in knowledge sharing through the Diversity Clinic.
Content updated on Jan 29, 2025
Following the Medical Content Editorial Policy
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- Feel nervous most or all the time
- Nervous all or most of the time
- Always feeling nervous
- Persistent nervousness
- Constantly nervous
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FAQs
Q.
Always Anxious? Why Your Nervous System is Overreacting: Magnesium Glycinate & Next Steps
A.
Feeling constantly on edge often means your nervous system is stuck in fight or flight; magnesium glycinate can help by supporting calming neurotransmitters, easing muscle tension, improving sleep, moderating stress hormones, and stabilizing blood sugar, though it is not a standalone cure. There are several factors to consider, including the right dose 200 to 400 mg elemental daily, starting low, evening use for sleep, and safety with kidney disease or interacting medicines, plus lifestyle steps like sleep hygiene, blood sugar stabilization, stress reduction, and therapy; see the complete guidance below for red flags, other medical causes to rule out, and how to choose your next steps.
References:
* Boyle NB, Lawton C, Dye L. The Effects of Magnesium Supplementation on Subjective Anxiety and Stress: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Nutrients. 2017 Apr 29;9(5):429. doi: 10.3390/nu9050429. PMID: 28480289; PMCID: PMC5452159.
* Serefko A, Szopa A, Wlaź P, Nowak G, Radziwoń-Zaleska M, Skalski M, Galecki P. Magnesium and the Brain: From Pharmacology to Therapeutics. Pharmacol Rep. 2013;65(3):547-54. doi: 10.1016/s1734-1140(13)71032-6. PMID: 23803882.
* Pickering G, Mazur A, Trouillas P, Felice V, Galan P, Coudray C, Joosten E, Pouteau E. Magnesium Status and Stress: Why a Critical Research Area? Adv Nutr. 2021 Mar 31;12(2):597-601. doi: 10.1093/advances/nmaa124. PMID: 33786278; PMCID: PMC8009187.
* Noah L, Pickering G, Mazur A. The Role of Magnesium in Anxiety Disorder: A Systematic Review. Nutrients. 2019 Jul 25;11(8):1720. doi: 10.3390/nu11081720. PMID: 31349520; PMCID: PMC6723159.
* Poleszak E. Magnesium plays a key role in regulating neuronal excitability and synaptic plasticity: a systematic review of the underlying mechanisms and therapeutic potential. J Neural Transm (Vienna). 2021 Feb;128(2):169-178. doi: 10.1007/s00702-021-02290-y. Epub 2021 Jan 12. PMID: 33433555; PMCID: PMC7852391.
Q.
Always Anxious? Why Your Amygdala Is Overreacting & Medically Approved Next Steps
A.
An overactive amygdala can keep you feeling anxious even when you’re safe, driving constant nervousness, rapid heartbeat, poor sleep, and trouble focusing; common drivers include chronic stress, past trauma, genetic vulnerability, lack of sleep, hormonal shifts, medical issues like thyroid disease or arrhythmias, and stimulants such as caffeine. Medically approved steps include CBT, mindfulness, regular aerobic exercise, sleep optimization, reducing caffeine, and when appropriate, medications like SSRIs or SNRIs; seek prompt care for chest pain, severe palpitations, shortness of breath, fainting, sudden personality changes, or thoughts of harming yourself. There are several factors to consider; see below for complete details that can guide the safest next steps in your care.
References:
* Fonzo GA, Gorka SM, Money NB, Etkin A. Neural mechanisms of cognitive-behavioral therapy for anxiety disorders: An amygdala-focused review. Depress Anxiety. 2018 Aug;35(8):724-734. doi: 10.1002/da.22802. Epub 2018 Jul 17. PMID: 30016480; PMCID: PMC6085186.
* Janes AC, Etkin A. Neural Circuitry of Anxiety Disorders: Implications for Diagnostic and Therapeutic Advances. Biol Psychiatry Cogn Neurosci Neuroimaging. 2020 Jan;5(1):1-13. doi: 10.1016/j.bpc.2019.07.009. Epub 2019 Aug 24. PMID: 31882264; PMCID: PMC7058866.
* Motzkin NE, Brier ZM, Biederman J. The Amygdala in the Human Anxious Brain: The Dynamic View. Prog Neuropsychopharmacol Biol Psychiatry. 2023 Apr 20;123:110729. doi: 10.1016/j.pnpbp.2023.110729. Epub 2023 Feb 2. PMID: 36737525.
* Tovote P, Janitzky T, Etkin A. Targeting the extended amygdala in anxiety disorders: a translational approach. Mol Psychiatry. 2018 Oct;23(10):1992-2003. doi: 10.1038/s41380-018-0050-x. Epub 2018 Mar 28. PMID: 29598838; PMCID: PMC6154817.
* Etkin A, Janes AC, Kirk-Browne KC, Krystal JH, Sanacora G, Stein MB. The neurobiology of generalized anxiety disorder: a review of the brain structures and functions underlying disease pathophysiology and treatment. Depress Anxiety. 2020 Mar;37(3):209-223. doi: 10.1002/da.22989. Epub 2020 Feb 11. PMID: 32047394; PMCID: PMC7234608.
Q.
Always Anxious? Why Your Vagus Nerve Is Failing + Medical Next Steps
A.
Persistent anxiety can reflect low vagal tone, where the vagus nerve does not effectively switch off the stress response, leading to a racing heart, shallow breathing, digestive issues, poor sleep, and a constant on-edge feeling. Drivers include chronic stress, trauma, sleep loss, inflammation, inactivity, and conditions such as diabetes, autoimmune disease, neurological disorders, and cardiovascular disease. Next steps include slow diaphragmatic breathing with longer exhales, regular moderate exercise, restoring sleep, positive social connection, gut-friendly nutrition, and cautious brief cold exposure, plus medical evaluation for persistent or severe symptoms to check contributing problems and consider CBT, medication, biofeedback, or specialist options like vagus nerve stimulation, and seek urgent care for red flags like chest pain, fainting, shortness of breath, new neurological symptoms, or an irregular heartbeat; there are several factors to consider, and the complete guidance with important details is outlined below.
References:
* Breit, S., Kupferberg, S., & Schiepek, G. (2020). Vagal Tone and Anxiety in Young Adults: A Systematic Review. *Autonomic Neuroscience*, *223*, 102619.
* de Paula, D. C., Brandão, A. M. E. R., & de Paiva, L. G. L. (2021). Vagus nerve activity and anxiety: A systematic review and meta-analysis. *Progress in Neuro-Psychopharmacology and Biological Psychiatry*, *109*, 110260.
* George, M. J., Gupta, D. R., Rauf, M. T., George, S. J., Hadeed, S. S., Bhatti, H. R., Asghar, J. A., Adrangi, S. S., & Ahmad, S. A. (2020). Vagal nerve stimulation: A promising therapeutic approach for anxiety disorders. *Psychiatry Research*, *288*, 112952.
* Naranjo, F., Vilar, M. B., Pérez-Aguilar, J. E., & Alcolea, A. (2023). The Vagus Nerve, a Palatable Target for Inflammatory Bowel Diseases and Anxiety: A Narrative Review. *Brain Sciences*, *13*(8), 1205.
* George, S. S., Asghar, J. A., Rauf, M. T., Gupta, D. R., Hadeed, S. S., George, M. J., Adrangi, S. S., Bhatti, H. R., & Ahmad, S. A. (2023). The Dysregulated Vagus Nerve as a Pathological Substrate of Autonomic Dysregulation: A Review. *Biomolecules*, *13*(10), 1533.
Q.
Always On Edge? Why Your Nervous System Is Misfiring & Medical Next Steps
A.
Feeling constantly on edge often means your sympathetic nervous system is stuck in stress mode, triggered by chronic stress, anxiety disorders, trauma, poor sleep, stimulants, or medical conditions such as thyroid disease, heart rhythm problems, or vitamin B12 deficiency. Doctors can evaluate with history, exam, and basic labs and guide treatments like sleep and caffeine changes, breathing exercises, movement, CBT, and when needed medications, while urgent care is warranted for chest pain, severe shortness of breath, fainting, confusion, or new neurological symptoms; there are several factors to consider, and crucial details that could change your next steps are explained below.
References:
* Porges, S. W. (2007). The polyvagal perspective. *Biological Psychology*, *74*(2), 116–143. https://pubmed.ncbi.nlm.nih.gov/17188586/
* Gorka, S. M., et al. (2017). Autonomic nervous system alterations in anxiety disorders: an updated review. *Depression and Anxiety*, *34*(12), 1146-1160. https://pubmed.ncbi.nlm.nih.gov/28881471/
* de Kloet, E. R., Joëls, M., & Holsboer, F. (2005). Stress and the brain: from adaptation to disease. *Nature Reviews Neuroscience*, *6*(6), 463-475. https://pubmed.ncbi.nlm.nih.gov/15904257/
* Salim, P., et al. (2012). Neuroinflammation in anxiety: current concepts and future directions. *CNS & Neurological Disorders-Drug Targets*, *11*(2), 184-192. https://pubmed.ncbi.nlm.nih.gov/22440625/
* Nagai, M., Kishi, H., & Suzuki, N. (2020). Autonomic nervous system and stress-related disorders: a review. *Japanese Journal of Clinical Immunology*, *43*(1), 1-13. https://pubmed.ncbi.nlm.nih.gov/32307222/
Q.
Always Stressed? Why Your Nervous System Is Failing & Medically Approved Next Steps
A.
Chronic stress can overload your nervous system, keeping you stuck in fight-or-flight and driving elevated cortisol that disrupts sleep, digestion, mood, heart rate, immunity, and concentration. Evidence-based next steps include slow breathing with longer exhales, consistent sleep, moderate exercise, limiting stimulants, CBT techniques, frequent micro-recovery breaks, and a medical check for thyroid, hormonal, vitamin, or heart rhythm issues, with urgent evaluation for red flags like chest pain or fainting; there are several factors to consider, so see the complete guidance below to choose the safest next steps for you.
References:
* McEwen BS. The neurobiology of stress: an update. Dialogues Clin Neurosci. 2017 Dec;19(4):347-351. PMID: 29311822.
* Juster RP, Sindi S, Marin MF, Perna A, Huot C, Lupien SJ. Allostatic Load: An Overview of the Concept and Its Clinical Implications. Psychiatr Clin North Am. 2015 Mar;38(1):67-81. doi: 10.1016/j.psc.2014.11.006. Epub 2014 Dec 24. PMID: 25724308.
* Porges SW. Autonomic Nervous System Regulation in Stress and Trauma. Semin Pediatr Neurol. 2017 Dec;24(5):341-344. doi: 10.1016/j.spen.2017.09.006. Epub 2017 Oct 12. PMID: 29241904.
* Sgambat D, Qureshi R, Sgambat K. Stress Management: Approaches, Effects, and Techniques. Prim Care. 2021 Jun;48(2):237-251. doi: 10.1016/j.pop.2021.02.002. Epub 2021 Apr 17. PMID: 34045053.
* Kim JJ, Han PL. The cellular and molecular mechanisms of chronic stress-induced neuronal dysfunction. Curr Neuropharmacol. 2020;18(12):1258-1271. doi: 10.2174/1570159X18666200611151602. PMID: 32525419; PMCID: PMC7758348.
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