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Published on: 9/24/2026
Persistent worry about being seriously ill despite few or no symptoms is most often called illness anxiety disorder, formerly known as hypochondriasis or hypochondria, and it is sometimes referred to as health anxiety. A related condition, somatic symptom disorder, involves real physical symptoms paired with excessive distress and preoccupation, so the distinction matters for diagnosis and treatment. Common signs include frequent body checking, repeated reassurance seeking, avoidance of medical visits, or excessive online symptom research, and the fear typically lasts six months or longer. Several factors affect which condition applies, including symptom duration, past medical history, and co-occurring anxiety or depression, and see below to understand the important details before drawing conclusions.
Because worry and genuine illness can look alike, the safest first step is clarifying what your symptoms actually suggest: take a free, instant, online symptom check to see possible causes, learn which signs warrant prompt attention, and get clear guidance on the right next step to discuss with a clinician.
Last reviewed for medical accuracy: 09/24/2026
If you—or someone you know—is constantly worried about having an illness despite medical reassurance, you may be dealing with a condition known as illness anxiety disorder (formerly hypochondriasis). People with this pattern of thinking often focus on normal body sensations (like a headache or stomach ache) and interpret them as signs of serious disease. Over time, this can cause intense worry, repeated doctor visits, and significant distress.
Illness anxiety disorder is a mental health condition in which a person:
Formerly called hypochondriasis, this disorder affects roughly 1–5 % of the population. It can start in early adulthood but sometimes appears in childhood or later life.
A person who thinks they are always sick may experience:
• Constant worry about health
• Frequent self-exams (feeling lymph nodes, checking skin, etc.)
• Repeatedly Googling symptoms or reading medical websites
• Visiting multiple doctors, seeking second and third opinions
• Anxiety or panic when experiencing normal bodily sensations (fluttering heart, mild pain)
• Avoidance of situations that trigger health fears (doctor’s office, hospitals)
• Impact on work, relationships, social life
These behaviors can become time-consuming and interfere with daily functioning.
No single cause explains why some individuals become preoccupied with illness. Factors may include:
• Personal or family history of anxiety disorders
• A stressful life event (loss of a loved one, job stress, serious illness of someone close)
• A childhood environment that reinforced health worries (overprotective parents, focus on illness)
• High sensitivity to physical sensations
• Misinformation from media or internet searches about rare diseases
Understanding potential triggers can help guide treatment.
A qualified mental health professional (psychiatrist, psychologist) or primary care provider uses criteria from the Diagnostic and Statistical Manual of Mental Disorders (DSM-5). Key steps include:
Diagnosis relies on ruling out genuine medical causes and confirming that health anxiety is out of proportion to actual risk.
Fortunately, illness anxiety disorder is treatable. Approaches include:
• Cognitive-Behavioral Therapy (CBT)
– Helps you identify and challenge unhelpful thoughts (“If I have a headache, I must have a brain tumor.”)
– Teaches coping strategies to reduce checking behaviors and avoidance
• Medication
– Selective serotonin reuptake inhibitors (SSRIs) can ease anxiety and obsessive thoughts
• Stress Management
– Relaxation techniques (deep breathing, progressive muscle relaxation)
– Mindfulness meditation to stay grounded in the present
• Education and Support
– Learning about how anxiety affects perception of physical sensations
– Joining support groups, either in person or online, to share experiences
Early intervention often leads to better outcomes. It’s important to work with professionals who understand both physical and mental health.
In addition to professional treatment, you can try:
• Limiting symptom searches online
• Setting a schedule for checking in with doctors (for example, quarterly instead of weekly)
• Keeping a health journal to track real patterns, not one-off sensations
• Engaging in regular exercise to reduce anxiety
• Pursuing hobbies and social activities to shift focus away from health worries
If you find yourself stuck in a loop of fear and checking, these steps can help break the cycle.
While most health worries stem from anxiety, some signs require prompt medical attention:
• Sudden, severe chest pain or shortness of breath
• Fainting or loss of consciousness
• Heavy bleeding or signs of stroke (weakness on one side, slurred speech)
• High fever that doesn’t respond to treatment
For any symptoms that could be life-threatening or serious, speak to a doctor right away.
If you’re unsure whether to consult a healthcare provider, consider a free, online symptom check, using the doctor approved Ubie Symptom Checker. This tool can help you sort through your symptoms and suggest when professional evaluation is needed.
A person who thinks they are always sick may have illness anxiety disorder, a treatable condition. Recognizing the signs—excessive worry, repeated checking, avoidance—can help you or a loved one seek the right support. Treatment options like CBT, medication, and stress management techniques can reduce health fears and improve quality of life.
Remember: if you experience anything that could be life-threatening or serious, speak to a doctor immediately. Taking that first step toward professional care can bring relief and peace of mind.
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