Psychiatry

Psychiatry deals with prevention, diagnosis, and treatment of mental, emotional, and behavioral disorders. Psychiatrists use both medication and talk therapy in treatment. Common conditions include depression, anxiety, substance abuse, psychoses, developmental disabilities, and sexual dysfunction.

Learn more about psychiatry at the Mount Sinai Health System

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Diseases & Conditions
Adjustment disorder
Adjustment disorder is a group of symptoms, such as stress, feeling sad or hopeless, and physical symptoms that can occur after you go through a stressful life event. The symptoms occur because you are...

Symptoms
Agitation
Agitation is an unpleasant state of extreme arousal. An agitated person may feel stirred up, excited, tense, confused, or irritable.

Diseases & Conditions
Agoraphobia
Agoraphobia is an intense fear and anxiety of being in places where it is hard to escape, or where help might not be available. Agoraphobia usually involves fear of crowds, bridges, or of being outside...

Special Topics
Alcohol use and safe drinking
Alcohol use involves drinking beer, wine, or hard liquor.

Diseases & Conditions
Alcohol use disorder
Alcohol use disorder is when your drinking causes serious problems in your life, yet you keep drinking. You may also need more and more alcohol to feel drunk. Stopping suddenly may cause withdrawal symptoms...

In-depth Report
Alcohol use disorders
An in-depth report on the causes, diagnosis, and treatment of alcoholism.

Special Topics
Alcoholism - resources

Diseases & Conditions
Anorexia
Anorexia is an eating disorder that causes people lose more weight than is considered healthy for their age and height. People with this disorder may have an intense fear of weight gain, even when they...

Diseases & Conditions
Antisocial personality disorder
Antisocial personality disorder is a mental condition in which a person has a long-term pattern of manipulating, exploiting, or violating the rights of others. This behavior is often criminal.

In-depth Report
Anxiety disorders
An in-depth report on the causes, diagnosis, treatment, and prevention of anxiety.

Diseases & Conditions
Attention deficit hyperactivity disorder
Attention deficit hyperactivity disorder (ADHD) is a problem caused by the presence of 1 or more of these findings: not being able to focus, being overactive, or not being able control behavior.

In-depth Report
Attention deficit hyperactivity disorder
An in-depth report on the causes, diagnosis, treatment, and prevention of ADHD.

Diseases & Conditions
Autism spectrum disorder
Autism spectrum disorder (ASD) is a developmental disorder. It often appears in the first 3 years of life. ASD affects the brain's ability to develop normal social and communication skills.

Diseases & Conditions
Avoidant personality disorder
Avoidant personality disorder is a mental condition in which a person has a lifelong pattern of feeling very: ShyInadequateSensitive to rejection Shy Inadequate Sensitive to rejection

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In-depth Report
Bipolar disorder
An in-depth report on the causes, diagnosis, and treatment of bipolar disorder.

Diseases & Conditions
Bipolar disorder
Bipolar disorder is a mental condition in which a person has wide or extreme swings in their mood. Periods of feeling sad and depressed may alternate with periods of being very happy and active or being...

Diseases & Conditions
Borderline personality disorder
Borderline personality disorder (BPD) is a mental condition in which a person has long-term patterns of unstable or turbulent emotions. These inner experiences often result in impulsive actions and chaotic...

Diseases & Conditions
Brief psychotic disorder
Brief psychotic disorder is a sudden, short-term display of psychotic behavior, such as hallucinations or delusions, which occurs with a stressful event. hallucinations

Diseases & Conditions
Bulimia
Bulimia is an eating disorder in which a person has regular episodes of eating a very large amount of food (bingeing) during which the person feels a loss of control over eating. The person then uses different...

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Diseases & Conditions
Compulsive gambling
Compulsive gambling is being unable to resist impulses to gamble. This can lead to severe money problems, job loss, crime or fraud, and damage to family relationships.

Diseases & Conditions
Conduct disorder
Conduct disorder is a set of ongoing emotional and behavioral problems that occurs in children and teens. Problems may involve defiant or impulsive behavior, drug use, or criminal activity.

Diseases & Conditions
Conversion disorder
Conversion disorder is a mental condition in which a person has blindness, paralysis, or other nervous system (neurologic) symptoms that cannot be explained by medical evaluation.

Diseases & Conditions
Cyclothymic disorder
Cyclothymic disorder is a mental disorder. It is a mild form of bipolar disorder (manic depressive illness), in which a person has mood swings over a period of years that go from mild depression to emotional...

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Self-Care Instructions
Deciding to quit drinking alcohol
Alcohol use disorder - quitting drinking; Alcohol abuse - quitting drinking; Quitting drinking; Quitting alcohol; Alcoholism - deciding to quit

Diseases & Conditions
Dependent personality disorder
Dependent personality disorder is a mental condition in which people depend too much on others to meet their emotional and physical needs.

In-depth Report
Depression
An in-depth report on the causes, diagnosis, treatment, and prevention of depression.

Diseases & Conditions
Depression - older adults
Depression is a mental health condition. It is a mood disorder in which feelings of sadness, loss, anger, or frustration interfere with daily life for weeks or longer. Depression in older adults is a widespread...

Symptoms
Depression - overview
Depression may be described as feeling sad, blue, unhappy, miserable, or down in the dumps. Most of us feel this way at one time or another for short periods. Clinical depression is a mood disorder in which...

Special Topics
Depression - resources

Self-Care Instructions
Depression - stopping your medicines
Antidepressants are prescription medicines you may take to help with depression, anxiety, or pain. Like any medicine, there are reasons you may take antidepressants for a while and then consider no longer...

Diseases & Conditions
Developmental coordination disorder
Developmental coordination disorder is a childhood disorder that leads to poor coordination and clumsiness.

Diseases & Conditions
Disorder of written expression
Disorder of written expression is a childhood condition that involves poor writing skills.

Symptoms
Drowsiness
Drowsiness refers to feeling abnormally sleepy during the day. People who are drowsy may fall asleep in inappropriate situations or at inappropriate times.

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In-depth Report
Eating disorders
An in-depth report on the treatment and prevention of eating disorders.

Surgery
Electroconvulsive therapy
Electroconvulsive therapy (ECT) uses an electric current to treat depression and some other mental illnesses. depression

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Diseases & Conditions
Gender dysphoria
Gender dysphoria occurs when there is a conflict between a person's physical gender and the gender he or she identifies with. For example, a person who is physically a boy may actually feel and act like...

Diseases & Conditions
Generalized anxiety disorder
Generalized anxiety disorder (GAD) is a mental disorder in which a person is often worried or anxious about many things and finds it hard to control this anxiety.

Self-Care Instructions
Generalized anxiety disorder - self-care
GAD - self-care; Anxiety - self-care; Anxiety disorder - self-care

Diseases & Conditions
Grief
Grief is a reaction to a major loss of someone or something. It is most often an unhappy and painful emotion.

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Symptoms
Hallucinations
Hallucinations involve sensing things such as visions, sounds, or smells that seem real but are not. These things are created by the mind.

Self-Care Instructions
Health risks of alcohol use
Alcoholism - risks; Alcohol abuse - risks; Alcohol dependence - risks; Risky drinking

Self-Care Instructions
Heart disease and depression

Self-Care Instructions
Helping your teen with depression

Diseases & Conditions
Histrionic personality disorder
Histrionic personality disorder is a mental condition in which people act in a very emotional and dramatic way that draws attention to themselves.

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Special Topics
IQ testing
IQ (intelligence quotient) testing is a series of exams used to determine your general intelligence in relation to other people the same age.

Diseases & Conditions
Illness anxiety disorder
Illness anxiety disorder is a preoccupation that physical symptoms are signs of a serious illness, even when there is no medical evidence to support the presence of an illness.

In-depth Report
Insomnia
An in-depth report on the causes, diagnosis, treatment, and prevention of insomnia.

Diseases & Conditions
Insomnia - overview
Insomnia is trouble falling asleep, staying asleep through the night, or waking up too early in the morning. Episodes of insomnia may come and go or be long-lasting. The quality of your sleep is as important...

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Special Topics
Learn to manage stress
We all feel stress at one time or another. It's a normal and healthy reaction to change or a challenge. But stress that goes on for more than a few weeks can affect your health. Keep stress from making...

Self-Care Instructions
Learning about depression

M

Diseases & Conditions
Major depression
Depression is feeling sad, blue, unhappy, or down in the dumps. Most people feel this way once in a while. Major depression is a mood disorder. It occurs when feelings of sadness, loss, anger, or frustration...

Diseases & Conditions
Major depression with psychotic features
Major depression with psychotic features is a mental disorder in which a person has depression along with loss of touch with reality (psychosis).

Self-Care Instructions
Managing your depression - teens
Depression is a serious medical condition that you need help with until you feel better. Know that you are not alone. 1 in 5 teenagers will be depressed at some point. Luckily, there are ways to get treatment...

Diseases & Conditions
Mathematics disorder
Mathematics disorder is a condition in which a child's math ability is far below normal for their age, intelligence, and education.

Diseases & Conditions
Medicines for ADHD
ADHD is a problem that most often affects children. Adults may be affected as well. People with ADHD may have problems with: Being able to focusBeing over-activeNot being able to control behavior Being...

Tests
Mental status testing
Mental status testing is done to check a person's thinking ability, and to determine if any problems are getting better or worse. It is also called neurocognitive testing.

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Diseases & Conditions
Narcissistic personality disorder
Narcissistic personality disorder is a mental condition in which a person has: An excessive sense of self-importanceAn extreme preoccupation with themselvesA lack of empathy for others An excessive sense...

Diseases & Conditions
Nicotine and tobacco
The nicotine in tobacco can be addictive like alcohol, cocaine, and morphine.

Symptoms
Nightmares
A nightmare is a bad dream that brings out strong feelings of fear, terror, distress, or anxiety. anxiety

O

Diseases & Conditions
Obsessive-compulsive disorder
Obsessive-compulsive disorder (OCD) is a mental disorder in which people have unwanted and repeated thoughts, feelings, ideas, sensations (obsessions), and behaviors that drive them to do something over...

Diseases & Conditions
Obsessive-compulsive personality disorder
Obsessive-compulsive personality disorder (OCPD) is a mental condition in which a person is preoccupied with: RulesOrderlinessControl Rules Orderliness Control

Diseases & Conditions
Oppositional defiant disorder
Oppositional defiant disorder is a pattern of disobedient, hostile, and defiant behavior toward authority figures.

Special Topics
Orgasmic dysfunction
Orgasmic dysfunction is when a woman either cannot reach orgasm, or has trouble reaching orgasm when she is sexually excited. When sex is not enjoyable, it can become a chore instead of a satisfying, intimate...

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Diseases & Conditions
Panic disorder
Panic disorder is a type of anxiety disorder in which you have repeated attacks of intense fear that something bad will happen.

Diseases & Conditions
Paranoid personality disorder
Paranoid personality disorder is a mental condition in which a person has a long-term pattern of distrust and suspicion of others. The person does not have a full-blown psychotic disorder, such as schizophrenia...

Diseases & Conditions
Persistent depressive disorder
Persistent depressive disorder is a chronic (ongoing) type of depression in which a person's moods are regularly low. But, symptoms are not as severe as with major depression. chronic Persistent depressive...

Diseases & Conditions
Personality disorders
Personality disorders are a group of mental conditions in which a person has a long-term pattern of behaviors, emotions, and thoughts that is very different from his or her culture's expectations. These...

Diseases & Conditions
Phobia - simple/specific
A phobia is an ongoing intense fear or anxiety of a certain object, animal, activity, or setting that poses little to no actual danger.

Diseases & Conditions
Phonological disorder
Phonological disorder is a type of speech disorder known as an articulation disorder. Children with phonological disorder do not use some or all of the speech sounds expected for their age group.

Diseases & Conditions
Pica
Pica is a pattern of eating non-food materials, such as dirt or paper.

Diseases & Conditions
Post-traumatic stress disorder
Post-traumatic stress disorder (PTSD) is a type of anxiety disorder. It can occur after you have gone through an extreme emotional trauma that involved the threat of injury or death. anxiety disorder

Diseases & Conditions
Psychosis
Psychosis occurs when a person loses contact with reality. The person may: Have false beliefs about what is taking place, or who one is (delusions)See or hear things that are not there (hallucinations)...

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Special Topics
Rape (sexual assault) - overview
Rape is defined as a sexual act forced on a person against his or her will. It may involve physical force or the threat of force. It may also be done against someone who is unable to give consent. Sexual...

Self-Care Instructions
Recognizing teen depression
1 in 5 teenagers have depression at some point. Your teen may be depressed if they are feeling sad, blue, unhappy, or down in the dumps. Depression is a serious problem, even more so if these feelings have...

Special Topics
Remembering tips

Self-Care Instructions
Responsible drinking
Alcohol use disorder - responsible drinking; Drinking alcohol responsibly; Drinking in moderation; Alcoholism - responsible drinking

Diseases & Conditions
Rumination disorder
Rumination disorder is a condition in which a person keeps bringing up food from the stomach into the mouth (regurgitation) and rechewing the food.

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Diseases & Conditions
Schizoaffective disorder
Schizoaffective disorder is a mental condition that causes both a loss of contact with reality (psychosis) and mood problems (depression or mania). psychosis

Diseases & Conditions
Schizoid personality disorder
Schizoid personality disorder is a mental condition in which a person has a lifelong pattern of indifference to others and social isolation.

Diseases & Conditions
Schizophrenia
Schizophrenia is a mental disorder that makes it hard to tell the difference between what is real and not real. It also makes it hard to think clearly, have normal emotional responses, and act normally...

In-depth Report
Schizophrenia
An in-depth report on the causes, diagnosis, and treatment of schizophrenia

Diseases & Conditions
Schizotypal personality disorder
Schizotypal personality disorder is a mental condition in which a person has trouble with relationships and disturbances in thought patterns, appearance, and behavior.

Diseases & Conditions
Seasonal affective disorder
Seasonal affective disorder (SAD) is a type of depression that occurs at a certain time of the year, usually in winter.

Diseases & Conditions
Selective mutism
Selective mutism is a condition in which a child can speak, but then they suddently stop speaking. It most often takes place in school or social settings.

Diseases & Conditions
Social anxiety disorder
Social anxiety disorder is a persistent and irrational fear of situations that may involve scrutiny or judgment by others, such as at parties and other social events.

Diseases & Conditions
Somatic symptom disorder
Somatic symptom disorder occurs when a person feels extreme anxiety about physical symptoms such as pain or fatigue. The person has intense thoughts, feelings, and behaviors related to the symptoms that...

In-depth Report
Stress
An in-depth report on the causes, diagnosis, treatment, and prevention of stress.

Symptoms
Stress and your health
Stress is a feeling of emotional or physical tension. It can come from any event or thought that makes you feel frustrated, angry, or nervous. Stress is your body's reaction to a challenge or demand. In...

Special Topics
Substance use
Substance use is the continued use of alcohol, illegal drugs, or the misuse of prescription or over-the-counter drugs with negative consequences. These consequences may involve: Substance use Problems at...

Special Topics
Substance use - LSD
Substance abuse - LSD; Drug abuse - LSD; Drug use - LSD; Lysergic acid diethylamide; Hallucinogen - LSD

Special Topics
Substance use - amphetamines
Substance abuse - amphetamines; Drug abuse - amphetamines; Drug use - amphetamines

Special Topics
Substance use - cocaine
Substance abuse - cocaine; Drug abuse - cocaine; Drug use - cocaine

Special Topics
Substance use - inhalants
Substance abuse - inhalants; Drug abuse - inhalants; Drug use - inhalants; Glue - inhalants

Special Topics
Substance use - marijuana
Substance abuse - marijuana; Drug abuse - marijuana; Drug use - marijuana; Cannabis; Grass; Hashish; Mary Jane; Pot; Weed

Special Topics
Substance use - phencyclidine (PCP)
PCP; Substance abuse - phencyclidine; Drug abuse - phencyclidine; Drug use - phencyclidine

Special Topics
Substance use - prescription drugs
Substance use disorder - prescription drugs; Substance abuse - prescription drugs; Drug abuse - prescription drugs; Drug use - prescription drugs; Narcotics - substance use; Opioid - substance use; Sedative...

Diseases & Conditions
Substance use disorder
Substance use disorder occurs when a person's use of alcohol or another substance (drug) leads to health issues or problems at work, school, or home. This disorder is also called substance abuse.

Diseases & Conditions
Suicide and suicidal behavior
Suicide is the act of taking one's own life on purpose. Suicidal behavior is any action that could cause a person to die, such as taking a drug overdose or crashing a car on purpose.

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Diseases & Conditions
Trichotillomania
Trichotillomania is hair loss from repeated urges to pull or twist the hair until it breaks off. People are unable to stop this behavior, even as their hair becomes thinner.

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Self-Care Instructions
When you are drinking too much - tips for cutting back
Alcohol - drinking too much; Alcohol use disorder - drinking too much; Alcohol abuse - drinking too much; Risky drinking - cutting back