Can Drinking Coffee [Caffeine] Cause Anxiety?

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Afeefa Rafath
Practicing Psychologist | EAP Counsellor | Content Writer
11 Oct 20245 min read
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With its bold aroma and eye-opening jolt, coffee is a morning staple for many. Yet, its relationship with anxiety is as intricate as it is debated. While some find it invigorating, others feel jittery. Understanding this complexity requires considering both the varied research findings and individual differences. This article delves into how caffeine affects anxiety, navigating the nuances to offer insights tailored to personal wellness.

Understanding Anxiety and Caffeine

Caffeine: A stimulant that speeds up the central nervous system. It stimulates the brain, elevates the mood and postpones fatigue.

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 Drinking Coffee Cause Anxiety?

Drinking coffee can trigger anxiety, especially in those with anxiety disorders. As a stimulant, caffeine speeds up brain activity, potentially causing anxious feelings. Even moderate doses can lead to anxiety, with higher amounts increasing the risk. Studies show five cups of coffee can induce panic attacks in people with panic disorder.

Consuming caffeine, especially in coffee, can worsen anxiety symptoms due to its stimulating effects on the nervous system. It can elevate heart rate, cause rapid breathing, and mimic the physical signs of anxiety. For people with panic disorder, higher caffeine intake can significantly increase the likelihood of panic attacks. Reducing or avoiding caffeine may help in managing these anxiety-related symptoms.

Research Findings on the Connection Between Anxiety and Caffeine

Caffeine can cause anxiety by increasing heart rate, breathing rate, and body temperature, which can mimic anxiety symptoms. The U.S. Food & Drug Administration says that more than 400 milligrams of caffeine per day may increase the likelihood of anxiety and panic attacks. Caffeine can also worsen anxiety symptoms in people who already have an anxiety disorder. 

2023 studies have found that moderate caffeine consumption may be associated with a lower risk of anxiety. For example, one study found that drinking 2-3 cups of coffee per day was associated with a lower risk of anxiety.

The results of existing studies (2024) on the connection between caffeine and anxiety are inconsistent. For example, some studies have found a link between caffeine and anxiety, while others have not. 

Factors Influencing the Connection of Anxiety and Caffeine

Several factors influence the link between caffeine and anxiety. Doses above 400 mg are more likely to trigger anxiety, with adolescents being more sensitive than adults. Genetic predispositions and caffeine’s stimulation of the HPA axis can heighten anxiety risk. Individual differences also affect how caffeine impacts each person.

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

Emotional Symptoms:

•⁠ ⁠Excessive Worry: Constantly feeling anxious or uneasy about various things, feeling on edge, as if something bad is about to happen.

•⁠ ⁠Overwhelming Fear: Experiencing intense fear, often irrational, in everyday situations.

•⁠ ⁠Feeling Overwhelmed: Struggling to manage emotions, leading to a sense of being unable to cope, feelings of hopelessness and helplessness.

Physical Symptoms:

•⁠ ⁠Rapid Heartbeat: A noticeable increase in heart rate, often described as pounding or racing.

•⁠ Shortness of Breath: Difficulty breathing or tightness in the chest.

•⁠ Muscle Tension: Stiffness or pain, particularly in the neck, shoulders, or back.

•⁠ Trembling or Shaking: Involuntary muscle movements, especially in the hands or legs.

•⁠ ⁠Stomach Issues: Nausea, diarrhoea, or stomach cramps linked to anxiety.

Cognitive Symptoms

•⁠  ⁠Difficulty Concentrating: Trouble focusing, making decisions, or remembering things.

•⁠  ⁠⁠Irrational Thoughts: Persistent negative or catastrophic thinking.

•⁠  ⁠⁠Derealization: A feeling of disconnection from reality or oneself, often described as a dream-like state.

Behavioural Symptoms 

•⁠ Avoidance: Steering clear of situations, places, or people that trigger anxiety.

•⁠ ⁠Compulsive Behaviours: Engaging in repetitive actions or rituals to alleviate anxiety.

•⁠ ⁠Restlessness: Inability to sit still, often fidgeting or pacing, habits like nail-biting, hair-pulling, or skin-picking.

•⁠ ⁠Social Withdrawal: Isolating oneself from friends, family, or social activities.

•⁠ ⁠Procrastination: Delaying tasks due to overwhelming anxiety about performance or outcomes.

Managing Anxiety and Caffeine Consumption

Managing anxiety linked to caffeine requires a mindful approach. Gradually reducing intake helps avoid withdrawal symptoms, and keeping consumption below 400 mg can lower anxiety risk. Switching to herbal teas or decaf options offers a soothing alternative for those sensitive to caffeine. Understanding personal tolerance is key to effective management.

Consider exploring the Mave Health Program for a tailored approach to mental well-being.

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 relationship between caffeine and anxiety is complex, influenced by factors like dosage, genetics, and individual sensitivity. If you're concerned about how caffeine affects your anxiety, consult your healthcare provider for personalised guidance. Take the next step toward better health by discussing your caffeine intake with your doctor and finding the best treatment options for your mental health.

Citation

Anthea Levi, R. D. (2018, December 10). Why drinking coffee might be fueling your anxiety. Retrieved 10 October 2024, from Health website: https://www.health.com/condition/anxiety/how-coffee-increases-anxiety

Caffeine. (n.d.). Retrieved 10 October 2024, from CAMH website: https://www.camh.ca/en/health-info/mental-illness-and-addiction-index/caffeine

Cho, J. A., Kim, S., Shin, H., Kim, H., & Park, E.-C. (2024). The association between high-caffeine drink consumption and anxiety in Korean adolescents. Nutrients, 16(6), 794. doi:10.3390/nu16060794

How Do Coffee and Caffeine Affect Anxiety? (N.d.). Retrieved 10 October 2024, from https://www.goodrx.com/conditions/generalized-anxiety-disorder/does-coffee-caffeine-cause-anxiety

Kendra Cherry, M. (2022, October 17). How does caffeine affect anxiety? Retrieved 10 October 2024, from Verywell Mind website: https://www.verywellmind.com/how-does-caffeine-affect-anxiety-6748834

Klevebrant, L., & Frick, A. (2022). Effects of caffeine on anxiety and panic attacks in patients with panic disorder: A systematic review and meta-analysis. General Hospital Psychiatry, 74, 22–31. doi:10.1016/j.genhosppsych.2021.11.005

Liu, C., Wang, L., Zhang, C., Hu, Z., Tang, J., Xue, J., & Lu, W. (2024). Caffeine intake and anxiety: a meta-analysis. Frontiers in Psychology, 15, 1270246. doi:10.3389/fpsyg.2024.1270246

Martin, K. (2021, September 15). Does caffeine cause anxiety? Retrieved 10 October 2024, from https://www.medicalnewstoday.com/articles/anxiety-and-caffeine

Min, J., Cao, Z., Cui, L., Li, F., Lu, Z., Hou, Y., … Xu, C. (2023). The association between coffee consumption and risk of incident depression and anxiety: Exploring the benefits of moderate intake. Psychiatry Research, 326(115307), 115307. doi:10.1016/j.psychres.2023.115307

O’Neill, C. E., Newsom, R. J., Stafford, J., Scott, T., Archuleta, S., Levis, S. C., … Bachtell, R. K. (2016). Adolescent caffeine consumption increases adulthood anxiety-related behavior and modifies neuroendocrine signaling. Psychoneuroendocrinology, 67, 40–50. doi:10.1016/j.psyneuen.2016.01.030

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