What Is Psychosomatic Medicine? A Guide for English Speakers

If you have searched for mental health care in Japan, you have probably encountered the term “psychosomatic medicine” (心療内科 / shinryō naika). This medical specialty is widespread in Japan — you will find psychosomatic medicine clinics on nearly every major street in Tokyo — yet it barely exists as a standalone field in most English-speaking countries. This guide explains what psychosomatic medicine is, how it differs from psychiatry, and why it may be exactly what you need.

Defining Psychosomatic Medicine

Psychosomatic medicine is a medical specialty that focuses on the relationship between psychological factors and physical symptoms. The word “psychosomatic” comes from the Greek words “psyche” (mind) and “soma” (body). A psychosomatic medicine doctor treats conditions where stress, anxiety, depression, or other emotional factors cause, worsen, or maintain physical symptoms.

Common examples include:

• Chronic headaches or migraines triggered by stress
• Irritable bowel syndrome (IBS) worsened by anxiety
• Chest tightness or palpitations without a cardiac cause
• Chronic fatigue that does not improve with rest
• Insomnia linked to work stress or life changes
• Dizziness or numbness with no identifiable neurological cause
• Skin conditions (eczema, hives) that flare up during stressful periods

In Western medicine, these symptoms often lead patients on a frustrating journey: they visit a cardiologist for chest pain, a gastroenterologist for stomach issues, a neurologist for headaches — and each specialist says, “There is nothing wrong.” Psychosomatic medicine addresses the gap by treating the whole person, not just isolated organs. For a deeper dive into this mind-body connection, see our article on the connection between stress and physical symptoms.

Psychosomatic Medicine vs. Psychiatry: What Is the Difference?

This is the question that confuses most English speakers. In Japan, there are two distinct medical specialties for mental and emotional health:

Feature	Psychosomatic Medicine (心療内科)	Psychiatry (精神科)
Primary focus	Physical symptoms caused by psychological factors	Mental disorders (thought, mood, behavior)
Typical conditions	Stress-related physical symptoms, mild-to-moderate depression, anxiety, insomnia, burnout	Schizophrenia, bipolar disorder, severe depression, personality disorders
Approach	Integrated mind-body treatment; may include physical exams, blood tests, and medication	Focuses primarily on psychiatric diagnosis and medication management
Doctor background	Often trained in internal medicine first, then specialized in psychosomatic medicine	Trained in psychiatry from the start
Stigma level	Lower — seen as visiting a “body doctor” who also addresses stress	Higher — still carries significant stigma in Japan

In practice, there is significant overlap. Many psychosomatic medicine clinics also treat conditions that would be handled by psychiatrists in Western countries, such as depression, anxiety disorders, ADHD, and adjustment disorders. The line between the two specialties is blurrier in daily practice than the official definitions suggest.

Why Is Psychosomatic Medicine So Common in Japan?

Several cultural and historical factors explain why psychosomatic medicine thrives in Japan:

1. Reduced stigma: Visiting a 心療内科 (psychosomatic medicine clinic) carries less social stigma than visiting a 精神科 (psychiatry clinic). Many Japanese patients prefer to say they are seeing a doctor for “physical stress symptoms” rather than for a “mental illness.”
2. Cultural expression of distress: In Japanese culture, emotional distress is often expressed through physical symptoms rather than verbal descriptions of feelings. Patients may report stomach pain, headaches, or fatigue rather than saying “I feel depressed.” Psychosomatic medicine is designed to recognize and treat this pattern.
3. Work culture: Japan’s demanding work culture creates enormous stress, leading to conditions like burnout (燃え尽き症候群) and karoshi (過労死, death from overwork). Psychosomatic medicine provides a medical framework for treating work-related stress before it becomes a crisis.
4. Holistic tradition: Japanese medicine has historically taken a more holistic view of health, influenced by traditional Chinese medicine (漢方). The idea that mind and body are inseparable is deeply embedded in the culture.

What Happens During a Psychosomatic Medicine Consultation?

A typical first visit to a psychosomatic medicine clinic includes:

1. Detailed questionnaire: You fill out a comprehensive form covering your physical symptoms, emotional state, sleep patterns, work situation, and medical history.
2. Consultation: The doctor discusses your symptoms in depth, asking about when they started, what makes them better or worse, and how they affect your daily life. This conversation is typically longer than a standard internal medicine visit (20 to 30 minutes for a first visit).
3. Physical examination: Unlike a psychiatrist, a psychosomatic medicine doctor may perform physical exams and order blood tests, ECGs, or other diagnostics to rule out purely physical causes.
4. Treatment plan: Treatment may include medication (antidepressants, anti-anxiety medications, sleep aids), lifestyle advice, stress management techniques, and referrals to counseling if needed.

Is Psychosomatic Medicine Right for You?

Consider psychosomatic medicine if you:

• Have physical symptoms that doctors cannot fully explain
• Notice that your symptoms get worse when you are stressed
• Experience insomnia, fatigue, or appetite changes alongside emotional distress
• Feel overwhelmed by work or life in Japan but are not sure if it is “serious enough” for a psychiatrist
• Want a doctor who looks at the big picture — both physical and mental health
• Prefer a lower-stigma entry point to mental health care

For related reading, see our articles on psychosomatic medicine services at our clinic, recognizing burnout, and understanding anxiety.

Psychosomatic Medicine in English at Tokyo Hub Clinic

Dr. Ichiro Kamoshita, M.D., Ph.D., is board-certified in both internal medicine and psychosomatic medicine — a combination that allows him to evaluate your physical and mental health together. All consultations are in English, so you can describe your symptoms naturally without struggling through a language barrier. Tokyo Hub Clinic is located on the 2nd floor of Hotel New Otani Garden Court, near Akasaka-Mitsuke and Nagatacho stations.

By appointment only. Initial consultation: approximately ¥10,000–¥15,000.

Related Services

• Psychosomatic Medicine at Tokyo Hub Clinic
• Stress Management & Counseling