Can Dehydration Cause Anxiety?

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Afeefa Rafath
Practicing Psychologist | EAP Counsellor | Content Writer
16 Oct 20244 min read
Woman with feeling dehydrated and taking glass of water from bed - Can Dehydration Cause Anxiety?

Dehydration isn't just about feeling thirsty; it might heighten anxiety levels, impacting daily life significantly. Understanding the link between dehydration and anxiety reveals a complex interplay influenced by individual factors.

While some evidence suggests hydration can alleviate symptoms, its effectiveness varies widely. This article delves into this intricate relationship, exploring how hydration practices can potentially ease anxiety caused by dehydration, underscoring the importance of personalised approaches in mental health management.

Understanding Anxiety and Dehydration

Dehydration: When the body loses more fluids than it takes in, resulting in an imbalance of water and minerals in the body

Anxiety: Characterised by excessive worry, tension, and physical symptoms such as increased heart rate and sweating. It often manifests in various forms, including Generalized Anxiety Disorder (GAD), panic attacks, and social anxiety disorder. Anxiety can be a normal reaction to stress but becomes problematic when it interferes with daily life.

Can Dehydration Cause Anxiety?

Yes, dehydration can trigger anxiety by slowing brain function, increasing cortisol levels, and altering brain chemistry. Physical symptoms like dizziness, fatigue and confusion, intensify anxiety from dehydration and potentially lead to dehydration anxiety and panic attacks.

In addition, dehydration can also cause an imbalance in electrolytes, critical for maintaining proper nerve and muscle function. This imbalance, combined with increased stress hormone production, can further heighten anxiety and lead to cognitive confusion, often referred to as ‘brain fog.’ Enough hydration helps prevent these disruptions, supporting both mental and physical well-being.”

Research Findings on the Connection Between Anxiety and Dehydration

Research suggests that dehydration can increase feelings of anxiety and stress: 

  1. Dehydration can trigger physiological responses that mimic anxiety symptoms: Dehydration can cause an increase in heart rate, dizziness, and difficulty concentrating, which are also common symptoms of anxiety. 
  2. Dehydration can increase the production of stress hormones (cortisol), and trigger the body's stress response
  3. Dehydration can impact cognitive function (ability to think, make rational decisions, and concentrate) which can add to feelings of unease and increase any existing anxiety disorders. 
  4. A 2022 study found that people who drink five cups or more of water per day were at a lower risk of depression and anxiety. 
  5. A 2022 trial found that mildly dehydrated participants reported increased feelings of tension or anxiety and fatigue. 
  6. A 2012 study found that adverse mood changes due to dehydration were substantially greater in females than in males. 
  7. A 2024 study of 65 female university students in Spain found that those who felt the most anxious were those who were least hydrated. 

Factors Influencing the Connection of Anxiety and Dehydration

Several factors, including individual hydration levels, overall health, stress tolerance, and existing mental health conditions influence the connection between anxiety and dehydration. Environmental factors like heat and physical activity can worsen dehydration, while personal factors such as diet, medication, and lifestyle choices also play a significant role.

Symptoms of Anxiety to check. This will help you understand when to seek help:

Symptoms of anxiety can vary widely among individuals and may include both psychological and physical manifestations:

Psychological Symptoms:

•⁠  ⁠Excessive Worry: Persistent concerns about everyday issues.

•⁠  ⁠Restlessness: Feeling on edge or unable to relax.

•⁠  ⁠Difficulty Concentrating: Trouble focusing on tasks or making decisions.

•⁠  ⁠Irritability: Increased sensitivity or frustration.

•⁠  ⁠Sleep Disturbances: Difficulty falling asleep or staying asleep.

Physical Symptoms:

•⁠  ⁠Panic Attacks: Sudden episodes of intense fear that may include heart palpitations, shortness of breath, sweating, trembling, or feelings of impending doom.

•⁠  ⁠Muscle Tension: Chronic tightness in muscles leading to discomfort.

•⁠  ⁠Gastrointestinal Issues: Nausea or stomachaches.

•⁠  ⁠Hyperventilation: Rapid breathing that may lead to dizziness or light-headedness.

•⁠  ⁠Cold or Sweaty Extremities: Numbness or tingling sensations in hands or feet.

These symptoms can be debilitating and often lead individuals to avoid situations that trigger their anxiety. If untreated, anxiety disorders can significantly impact quality of life and overall well-being.

Managing Anxiety and Dehydration

Managing anxiety and dehydration involves staying hydrated, monitoring fluid intake, and recognising early signs of dehydration like dizziness or fatigue. Incorporating stress-reducing techniques, such as deep breathing or mindfulness, can also help. Maintaining a balanced diet and addressing underlying health conditions further support mental well-being and hydration.

Consider exploring the Mave Health Program for comprehensive support. Take the next step and discuss your options today.

Do Read More About Anxiety

  1. How to Help Someone with Anxiety: A Guide for Supportive Friends and Family
  2. Reduce Anxiety immediately with other 12 Effective ways along with 333 Rule
  3. How to Treat Anxiety Without Medication?
  4. How Do Psychiatrists Treat Anxiety Disorders?
  5. 5-4-3-2-1 Grounding Technique Exercise
  6. tDCS Device For Anxiety
  7. Foods to Fight Anxiety

Conclusion

The connection between dehydration and anxiety is complex, requiring a personalised approach to treatment. If you suspect dehydration may be affecting your mental well-being, consult your healthcare provider for tailored advice. 

Citation

  1. How dehydration can cause anxiety. (2022, February 22). Retrieved 14 October 2024, from IVBoost website: https://ivboost.uk/how-dehydration-can-cause-anxiety/
  2. No title. (n.d.). Retrieved 14 October 2024, from https://impact.deakin.edu.au/2022/03/water-really-can-provide-some-relief-from-anxiety-and-help-us-see-the-glass-half-full/
  3. Office H2O. (2023, July 26). Does dehydration affect your mental health? Retrieved 14 October 2024, from Office H2O website: https://www.officeh2o.com/blog/does-being-dehydrated-affect-your-mental-health/
  4. Poitras, C. (2012, February 21). Even mild dehydration can alter mood. Retrieved 14 October 2024, from UConn Today website: https://today.uconn.edu/2012/02/even-mild-dehydration-can-alter-mood/
  5. Tedder, R. (2024, April 3). Dehydration and anxiety – is there A real connection? Retrieved 14 October 2024, from https://www.thirstywork.com/articles/dehydration-and-anxiety-is-there-a-real-connection-1
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