Health anxiety—previously referred to as hypochondriasis—is a mental health condition marked by persistent and excessive worry about having or developing a serious illness. While it’s normal to be concerned about one’s health occasionally, health anxiety becomes clinically significant when the fear is ongoing, causes emotional distress, and disrupts daily life (Salkovskis & Warwick, 2001). This condition is more common than many people realize and has become increasingly prevalent in today’s world, where constant access to medical information on the internet can amplify fears and anxiety.
At our psychiatric practice, we understand how overwhelming health anxiety can be. The purpose of this blog is to explore the signs and symptoms of health anxiety, highlight effective treatment options such as cognitive behavioral therapy and psychiatric care, and provide education to reduce stigma. If you or a loved one is struggling with health anxiety, know that support is available—and seeking help is the first step toward lasting relief.
What is Health Anxiety?
Health anxiety—also known as illness anxiety—is a common mental health concern that arises when normal bodily sensations or physical changes are misinterpreted as signs of a serious medical condition (Asmundson et al., 2010). Individuals dealing with health anxiety often believe their symptoms are more severe or dangerous than they are, and they frequently overestimate the chances of being seriously ill (Salkovskis, 1996).
Previously known as hypochondriasis, this term is no longer used as an official diagnosis in the DSM-5 (Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition) (Mayo Clinic). Instead, the condition is now more accurately categorized under two psychiatric diagnoses: Illness Anxiety Disorder (IAD) and Somatic Symptom Disorder (SSD), based on the nature and intensity of the physical symptoms.
- Illness Anxiety Disorder is diagnosed when a person experiences intense anxiety about their health but has few or no actual physical symptoms. The worry persists despite medical reassurance and often leads to frequent doctor visits or, in some cases, avoidance of healthcare altogether.
- Somatic Symptom Disorder is characterized by the presence of one or more physical symptoms that are distressing or disruptive. In this case, the emotional response to the symptoms—such as excessive thoughts, feelings, or behaviors—is disproportionate to the actual medical condition, or occurs even when no medical explanation is found.
(Mayo Clinic)
Signs and Symptoms
Understanding the core features of health anxiety is essential for accurate diagnosis and effective treatment. This condition involves a range of cognitive, emotional, and behavioral symptoms that often lead individuals to seek constant reassurance or engage in repetitive behaviors to manage overwhelming health-related fears.
Intrusive Thoughts and Mental Imagery
One of the hallmark symptoms of health anxiety is intrusive thinking, which includes recurring, unwanted thoughts or mental images about becoming seriously ill. These thoughts are often distressing and difficult to control, contributing to a heightened state of anxiety and hypervigilance.
Cognitive Biases and Dysfunctional Health Beliefs
Health anxiety is also driven by cognitive distortions—irrational or exaggerated thinking patterns that influence how bodily sensations are perceived. Individuals often hold strong beliefs such as disease conviction (the belief that they already have a feared illness) and an intense fear of developing serious medical conditions (Kikas et al., 2024).
These dysfunctional health beliefs tend to center around four core themes:
- Overestimating the likelihood of developing a disease.
- Exaggerating the severity or consequences of experiencing a health issue.
- Believing they won’t be able to cope if they do get sick.
- Doubting the effectiveness of medical care or fearing that doctors may miss something serious
(Kikas et al., 2024).
Safety-Seeking Behaviors
To manage anxiety, many individuals with health anxiety engage in safety behaviors—actions meant to reduce fear but that often reinforce the cycle of anxiety.
These behaviors may include:
- Reassurance-seeking: Repeatedly asking loved ones or healthcare professionals to confirm that everything is “okay.”
- Excessive body checking: Monitoring symptoms such as blood pressure, heart rate, weight, or oxygen levels multiple times a day.
- Overuse or avoidance of medical services: Some individuals may visit multiple doctors frequently, while others may avoid medical appointments altogether due to fear.
- Compulsive symptom searching: Engaging in excessive online research about health symptoms—commonly known as cyberchondria or “Dr. Google”—which often worsens anxiety rather than relieves it.
How Health Anxiety Develops
There are several prominent theories about how health anxiety develops, including the Cognitive Behavioral Model and the Interpersonal Model. The Cognitive Behavioral Model suggests that health anxiety arises from the misinterpretation of bodily sensations, leading individuals to catastrophize these experiences and develop fears of serious illness (Kikas et al., 2024). In contrast, the Interpersonal Model proposes that health anxiety is rooted in early attachment patterns formed with parental figures, which may result in care-seeking behaviors later in life (Kikas et al., 2024).
The general medical consensus is that health or illness anxiety is influenced by multiple contributing factors, which can vary between individuals. Predisposing factors may include early life learning experiences, genetic vulnerabilities, or personality traits such as a tendency toward anxiety—all of which can lead to maladaptive thinking patterns related to health and wellness (Asmundson & Taylor, 2010). Individuals who are predisposed to health anxiety might encounter a triggering event—typically involving a benign or harmless bodily sensation—that is misinterpreted as a sign of serious illness (Asmundson & Taylor, 2010). Other contributing factors may include a personal or family history of illness, traumatic medical experiences, and cognitive distortions related to health.
The Impact of Health Anxiety
Health anxiety can significantly affect both individuals and society. On a personal level, those experiencing health anxiety often report poorer overall health and face disruptions in daily life, including challenges with self-care, household tasks, and mobility (Kikas et al, 2024). They also experience heightened emotional distress and may be at an increased risk for early mortality (Kikas et al, 2024).
At the societal level, health anxiety can lead to increased work absences and a higher demand for medical services—often surpassing the healthcare usage of individuals with diagnosed physical conditions. This overutilization contributes to greater strain on healthcare systems (Kikas et al, 2024).
Despite growing awareness, there remain important gaps in our understanding of health anxiety, particularly regarding its long-term impact and how best to support those affected.
When to Seek Help
While occasional concern about your health is normal, it may be time to seek professional help if:
- Health-related worries are persistent and difficult to control
- You frequently seek reassurance from doctors or loved ones
- You avoid medical care out of fear of receiving bad news
- Your daily life, work, or relationships are being affected
- You spend excessive time researching symptoms online
If these symptoms sound familiar, mental health support for health anxiety can make a significant difference. Evidence-based treatments like Cognitive Behavioral Therapy (CBT) are highly effective.
Treatment Approaches
The most effective treatment for health anxiety is Cognitive Behavioral Therapy (CBT), which has been supported by substantial research evidence (Asmundson & Taylor, 2010). CBT provides psychoeducation to help individuals identify and restructure problematic thinking patterns, while also incorporating behavioral strategies to reduce hypervigilance and compulsive health-related behaviors (Kikas, 2024).
Other therapeutic approaches that may also be beneficial include Mindfulness-Based Cognitive Therapy (MBCT) and Acceptance and Commitment Therapy (ACT). Although these treatments have not been shown to be as consistently effective as CBT, studies indicate that they can still improve treatment outcomes for some individuals (Kikas, 2024).
When discussing mental health disorders, the topic of medication is also relevant. Research specifically focused on pharmacological treatment for health anxiety is limited. However, preliminary studies suggest that fluoxetine (Prozac) may be effective in alleviating symptoms (Kikas, 2024). It is important to note that no pharmacological studies have yet been conducted specifically targeting the newer diagnosis of Illness Anxiety Disorder (IAD) (Kikas, 2024).
Conclusion
Health anxiety is a real and often misunderstood mental health condition that can significantly impact daily life. The good news is that with the right support and treatment—such as Cognitive Behavioral Therapy, psychiatric care, and personalized treatment plans—recovery is possible.
If you or someone you love is struggling with persistent worries about health, you don’t have to face it alone. At ONE Health, we specialize in evidence-based care for health anxiety and related disorders. Contact us today to learn how we can help you find clarity, calm, and confidence in your health journey.
Asmundson, G.J.G., Abramowitz, J.S., Richter, A.A. et al. Health Anxiety: Current Perspectives and Future Directions. Curr Psychiatry Rep 12, 306–312 (2010). https://doi.org/10.1007/s11920-010-0123-9
Asmundson, G. J., & Taylor, S. (2010). Treating health anxiety: A cognitive-behavioral approach. Guilford Publications.
Kikas K, Werner-Seidler A, Upton E, Newby J. Illness Anxiety Disorder: A Review of the Current Research and Future Directions. Curr Psychiatry Rep. 2024 Jul;26(7):331-339. doi: 10.1007/s11920-024-01507-2. Epub 2024 May 15. PMID: 38748190; PMCID: PMC11211185.
Mayo Foundation for Medical Education and Research. (2021, April 19). Illness anxiety disorder. Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/illness-anxiety-disorder/symptoms-causes/syc-20373782
Rachman, S. Health anxiety disorders: A cognitive construal. Behaviour Research and Therapy. 50(7-8), 502-512 (2012). https://doi.org/10.1016/j.brat.2012.05.001
Starcevic V. Keeping Dr. Google under control: how to prevent and manage cyberchondria. World Psychiatry. 2023 Jun;22(2):233-234. doi: 10.1002/wps.21076. PMID: 37159368; PMCID: PMC10168140.
