New: Variety in workouts may add years to your life

Mental Health

Information about mental health

383 conditions

Substance-Induced Dissociative Disorders

Substance-induced dissociative disorders represent a distinct group of mental health conditions where certain drugs trigger profound disconnection from reality, memory, identity, or physical sensations. Unlike naturally occurring dissociative disorders, these episodes result directly from using specific substances that alter brain chemistry in ways that disrupt normal consciousness and self-awareness.

ReviewedLearn more

Substance-Induced Obsessive-Compulsive Related Disorders

Some medications and recreational substances can trigger obsessive thoughts and compulsive behaviors that mirror classic obsessive-compulsive disorder. This happens when certain chemicals alter brain pathways responsible for impulse control and repetitive thinking patterns. Unlike primary OCD that develops independently, these symptoms have a clear connection to substance use and often improve when the triggering agent is removed.

ReviewedLearn more

Brief Psychotic Disorder

Brief psychotic disorder represents one of the most misunderstood conditions in mental health. Unlike the chronic psychotic disorders many people recognize, this condition strikes suddenly and typically resolves completely within a month. The hallmark feature involves a rapid onset of psychotic symptoms that seem to come from nowhere, often leaving families bewildered and searching for answers.

ReviewedLearn more

Kleptomania

Most people assume all theft stems from need or greed, but kleptomania represents something entirely different. This rare mental health condition involves an irresistible urge to steal items that the person doesn't need and often can't use. The stolen objects usually have little monetary value, and people with kleptomania typically have enough money to purchase what they take.

ReviewedLearn more

Unspecified Bodily Distress Disorder

Millions of people experience persistent physical symptoms that cause genuine distress but don't fit neatly into a specific medical category. This puzzling condition, known as Unspecified Bodily Distress Disorder, represents one of medicine's most complex challenges - when the body sends clear signals of distress, yet standard medical tests come back normal or inconclusive.

ReviewedLearn more

Substance-Induced Obsessive-Compulsive Disorder

Sometimes the medications we take to feel better can create unexpected mental health challenges. Substance-induced obsessive-compulsive disorder occurs when certain drugs, medications, or exposure to toxins triggers intrusive thoughts and repetitive behaviors that closely mirror traditional OCD. Unlike typical OCD that develops gradually, this condition often appears suddenly after starting a new medication or using certain substances.

ReviewedLearn more

Other Specified Anxiety or Fear-Related Disorder

Other Specified Anxiety or Fear-Related Disorder represents a category for people who experience significant anxiety symptoms that don't quite fit the standard diagnostic criteria for common anxiety disorders. Think of it as the medical profession's way of acknowledging that human anxiety comes in many forms, and not everyone's experience matches textbook definitions perfectly.

ReviewedLearn more

Other Specified Impulse Control Disorders

Have you ever met someone who seems unable to resist certain urges, even when they know the behavior might cause problems? Other Specified Impulse Control Disorders represent a category of mental health conditions where people struggle with controlling specific impulses that don't fit neatly into well-known disorders like kleptomania or pyromania. These conditions involve repeated failure to resist urges that may harm the person or others, despite attempts to stop.

ReviewedLearn more

Hallucinogen Use Disorder

Hallucinogen use disorder represents a pattern of using mind-altering substances that significantly disrupts daily life, relationships, and responsibilities. These substances, which include LSD, psilocybin mushrooms, PCP, and MDMA, alter perception, thoughts, and feelings in profound ways. While some people use hallucinogens occasionally without developing problems, others find themselves unable to control their use despite negative consequences.

ReviewedLearn more

Seasonal Affective Pattern (Traditional Medicine)

Roughly 10 million Americans experience a predictable shift in mood and energy levels as the seasons change. This condition, known in traditional medicine as seasonal affective pattern, occurs when people consistently develop depression symptoms during specific times of the year, most commonly in fall and winter when daylight hours shrink. The pattern repeats year after year, with symptoms lifting as seasons change and light returns.

ReviewedLearn more

Secondary Mental Syndrome Due to Neoplasm

When cancer affects the brain or produces substances that alter brain function, it can trigger a complex set of mental health symptoms known as secondary mental syndrome due to neoplasm. This condition represents one of the most challenging aspects of cancer care, as tumors can directly or indirectly disrupt normal brain chemistry and function. The syndrome encompasses a wide range of psychiatric symptoms, from mood changes and anxiety to cognitive difficulties and personality shifts.

ReviewedLearn more

Substance-Induced Psychotic Disorder with Onset During Intoxication

Certain drugs can temporarily hijack the brain's normal functioning so dramatically that people lose touch with reality while under their influence. Substance-induced psychotic disorder with onset during intoxication represents one of the most serious acute mental health emergencies related to drug use, where the chemical effects of substances trigger hallucinations, delusions, and severely distorted thinking that appears within hours of use.

ReviewedLearn more

Substance-Induced Bodily Distress Disorder

When substances that once brought relief or pleasure begin causing persistent physical distress, the result can be a complex condition that affects both body and mind. Substance-induced bodily distress disorder occurs when the use of drugs, alcohol, or other substances leads to ongoing physical symptoms that cause significant discomfort and interfere with daily functioning.

ReviewedLearn more

Substance-Induced Elimination Disorder

Substance-induced elimination disorder represents one of the most challenging situations parents and healthcare providers can face. When medications or substances intended to help a child actually trigger problems with bladder or bowel control, families often feel confused and frustrated. This condition occurs when drugs, supplements, or other ingested substances directly interfere with the normal mechanisms that control urination or defecation.

ReviewedLearn more

Manic Episode

A manic episode represents one of the most dramatic shifts in human behavior and mood that psychiatry recognizes. During these intense periods, a person's energy, activity levels, and mood become abnormally elevated for at least one week, creating a state so distinct from their usual self that family and friends often describe it as watching someone completely different.

ReviewedLearn more

Avoidant-Restrictive Food Intake Disorder

Avoidant/Restrictive Food Intake Disorder affects millions of people worldwide, yet many have never heard of this serious eating disorder. Unlike anorexia or bulimia, ARFID has nothing to do with body image or weight concerns. Instead, people with this condition severely limit their food intake for entirely different reasons. They might be extremely sensitive to textures, smells, or tastes. Some avoid eating due to fear of choking or vomiting. Others simply lack interest in food altogether.

ReviewedLearn more

Dependent Personality Disorder

Dependent personality disorder represents one of the most challenging patterns of thinking and behavior in mental health. People with this condition experience an overwhelming need to be taken care of that leads to submissive and clinging behavior, along with fears of separation that can dominate their daily lives. The condition goes far beyond normal human needs for companionship and support.

ReviewedLearn more

Histrionic Personality Disorder

Histrionic personality disorder represents one of the more dramatic and emotionally intense personality disorders, affecting how someone consistently thinks, feels, and relates to others. People with this condition display a pervasive pattern of excessive emotionality and attention-seeking behaviors that goes far beyond typical social engagement or expressiveness.

ReviewedLearn more

Paranoid Personality Disorder

Paranoid Personality Disorder represents one of the most challenging mental health conditions to understand and treat. People with this disorder live in a world where trust feels dangerous and suspicion becomes their primary way of navigating relationships. They consistently interpret the actions and words of others as deliberately harmful, even when evidence suggests otherwise.

ReviewedLearn more

Schizotypal Personality Disorder

Schizotypal personality disorder affects roughly 4% of people worldwide, making it one of the more common personality disorders that most people have never heard of. People with this condition experience persistent patterns of social anxiety, unusual thinking, and eccentric behavior that can make forming close relationships challenging.

ReviewedLearn more
...
Stay Informed

Sign up for our weekly newsletter

Get the latest health information, research breakthroughs, and patient stories delivered directly to your inbox.

Mental Health — Conditions & Illnesses | DiseaseDirectory | DiseaseDirectory