Overview
Psychiatry is a branch of medicine that cares for people with mental health symptoms and psychiatric conditions. A psychiatrist is a physician who can assess mood, thoughts, behavior, sleep, substance use, and how symptoms affect work, school, and relationships. They also consider whether a medical illness, medication, or substance may be contributing to mental health changes. Psychiatry often works together with psychology, primary care, social work, and other specialties.
Key Symptoms
People may seek psychiatric care for sadness, anxiety, panic, severe stress, mood swings, anger, trouble sleeping, or difficulty concentrating. Other reasons include hearing or seeing things others do not, strong fears, unusual beliefs, changes in eating, substance use concerns, or thoughts of self-harm. Some people come to psychiatry after changes in behavior, memory, or functioning noticed by family, teachers, or doctors. Symptoms can be mild, severe, brief, or long-lasting.
Causes and Risk Factors
Mental health symptoms can be linked to many factors, including genetics, brain biology, stress, trauma, social conditions, substance use, and medical illness. Life events such as grief, violence, conflict, isolation, discrimination, or financial strain can also affect mental health. In some cases, symptoms are related to medications, hormone changes, sleep problems, or neurological conditions. Often, more than one factor is involved.
Who Is Affected
Psychiatry serves children, teenagers, adults, and older adults. People of any culture, gender, income level, or background can experience mental health symptoms. Some psychiatrists focus on specific groups, such as child and adolescent psychiatry, geriatric psychiatry, addiction psychiatry, or perinatal mental health. Access to care may vary by country and community.
Diagnosis and Tests
Psychiatric evaluation usually starts with a detailed conversation about symptoms, health history, medications, substance use, stressors, and daily functioning. The psychiatrist may ask about safety, sleep, appetite, energy, trauma history, and family history. Depending on the situation, medical exams or laboratory tests may be used to check for physical causes or related health problems. Diagnosis is based on clinical assessment rather than a single blood test or scan.
Treatment Categories
Psychiatric treatment may include psychotherapy, medication, education, crisis support, and practical help with functioning and recovery. A psychiatrist may provide therapy directly or work with psychologists, counselors, nurses, and social workers as part of a care team. Treatment plans are individualized and may change over time based on symptoms, goals, side effects, and personal preferences. Hospital care may be needed when symptoms are severe or safety is at risk.
Living With It
Mental health recovery often involves ongoing support, follow-up, and self-management skills. Many people benefit from regular routines, social connection, sleep habits, stress reduction, and avoiding alcohol or non-prescribed drugs when these worsen symptoms. Family education and community support can also be important. Progress may be gradual, and setbacks can happen.
When to Seek Medical Care
Consider seeking psychiatric or other healthcare support if emotional or behavioral symptoms last for weeks, keep returning, or interfere with sleep, work, school, relationships, or self-care. It is also important to seek help for major changes in mood, thinking, behavior, eating, or substance use. Children and older adults should be evaluated when there are concerning changes in development, functioning, memory, or behavior. Starting with a primary care clinician may also be helpful where psychiatry access is limited.
When It May Be an Emergency
Urgent help is needed if someone has thoughts of suicide, has made a suicide attempt, talks about harming others, seems unable to care for basic needs, or shows severe confusion, extreme agitation, or loss of touch with reality. Emergency care is also important after an overdose, severe intoxication, or sudden major behavior change that may be due to a medical problem. If there is immediate danger, contact local emergency services right away. If available in your area, use a crisis hotline or emergency mental health service.