This is a short-term response to a traumatic event characterized by intrusive symptoms, negative mood, dissociation, and avoidance. It occurs within one month after the trauma.

This occurs when emotional or behavioral symptoms develop in response to an identifiable stressor within three months of its onset. The symptoms represent an exaggerated reaction that exceeds what is expected.

Agoraphobia is a marked fear or anxiety regarding situations where escape might be difficult or help unavailable if panic symptoms occur. Individuals often avoid these places or require a companion to endure them.

A problematic pattern of alcohol use leading to significant distress or impairment. It involves a strong desire to consume alcohol and difficulty limiting intake despite adverse consequences.

A progressive neurodegenerative disease characterized by the gradual decline of memory and cognitive function. It is caused by the accumulation of amyloid plaques and tau tangles in the brain.

A severe condition characterized by extreme restriction of energy intake relative to requirements, leading to significantly low body weight. Individuals experience an intense fear of gaining weight and a distorted perception of their own body size or shape.

Individuals with this disorder show a pervasive pattern of disregard for and violation of the rights of others. This is often accompanied by a lack of remorse and manipulative behavior.

A persistent pattern of inattention and/or hyperactivity-impulsivity that interferes with daily functioning or development. Symptoms must be inconsistent with the individual's developmental level and occur across different environments.

A developmental condition characterized by significant challenges in social communication and interaction, alongside restricted or repetitive patterns of behavior. Symptoms typically emerge early in development and result in impairment across multiple life settings.

Characterized by recurring episodes of eating large amounts of food in a discrete period with a sense of being unable to stop. Unlike bulimia, these episodes are not followed by regular compensatory behaviors, often resulting in significant distress.

A condition requiring the occurrence of at least one manic episode in the individual's lifetime. Manic episodes involve a distinct period of abnormally elevated, expansive, or irritable mood and increased energy.

Characterized by a pattern of depressive episodes and hypomanic episodes. Unlike Bipolar I, the individual has never experienced a full manic episode.

Patients with this disorder are preoccupied with perceived flaws in their physical appearance that are not apparent to others. This leads to repetitive behaviors like checking mirrors or excessive grooming.

Marked by a pervasive pattern of instability in interpersonal relationships, self-image, and affects. It often includes marked impulsivity and chronic feelings of emptiness.

An acute and transient disturbance involving sudden onset of psychotic symptoms. The episode lasts more than one day but less than one month, with an eventual return to full premorbid functioning.

This disorder involves recurrent episodes of binge eating followed by inappropriate compensatory behaviors to prevent weight gain. Patients feel a lack of control during binges and base their self-evaluation excessively on their weight and shape.

This condition involves a persistent pattern of violating the basic rights of others or major societal norms. Individuals often display aggression toward people or animals and lack empathy or remorse.

Also known as functional neurological symptom disorder, this involves symptoms that suggest a neurological condition but cannot be explained by medical pathology. There is evidence of incompatibility between symptoms and known neurological disease.

A chronic, fluctuating mood disturbance involving numerous periods of hypomanic symptoms and depressive symptoms. These periods do not meet the full diagnostic criteria for manic or major depressive episodes.

A sexual dysfunction in males marked by a significant delay in, or total absence of, ejaculation during sexual activity. This causes marked personal distress and persists despite the individual's desire for sexual activity.

This disorder is defined by the presence of one or more delusions that last for one month or longer. Aside from the impact of the delusion, the individual's functioning is not markedly impaired and behavior is not obviously bizarre.

This condition involves persistent experiences of feeling detached from oneself or one's surroundings. Individuals may feel like an observer of their own mental processes or experience the world as dreamlike.

A childhood condition involving severe, recurrent temper outbursts that are grossly out of proportion to the situation. Between outbursts, the child exhibits a persistently irritable or angry mood.

Patients experience an inability to recall important personal information, usually of a traumatic or stressful nature, that is too extensive to be considered ordinary forgetfulness.

This disorder involves the presence of two or more distinct personality states or identities that recurrently take control of the individual's behavior. There are significant gaps in memory regarding daily events.

The repeated passage of feces into inappropriate places, such as clothing or the floor, in children who have reached an age where bowel control should be expected. It may occur with or without constipation and overflow incontinence.

The repeated voiding of urine into bed or clothes, whether intentional or accidental, in children past the age when bladder control is typically achieved. It is clinically significant if it causes distress or impairs functioning in daily settings.

A condition in which a male experiences difficulty obtaining or maintaining an erection until the completion of sexual activity. The symptoms cause significant clinical distress and occur in the majority of sexual encounters.

Characterized by recurrent and intense sexual arousal from exposing one's genitals to an unsuspecting person. The behavior typically causes distress or involves non-consenting individuals.

A condition in women characterized by a delay, infrequency, or absence of orgasm following normal sexual stimulation. The condition is persistent and causes the individual significant personal or relational distress.

A lack of or significant reduction in sexual interest or arousal in females, often manifesting as low sexual desire or a lack of physical response. This must cause significant personal distress and persist over time.

This condition is marked by the degeneration of the frontal and temporal lobes of the brain. Patients typically present with profound changes in personality, social behavior, or language capabilities.

Involves recurrent sexual arousal from touching or rubbing against a non-consenting person. This behavior is typically carried out in crowded public places.

A marked incongruence between an individual's experienced gender and their assigned gender at birth. This discrepancy is associated with significant distress or impairment in social, occupational, or other important areas of functioning.

The distress experienced by a child due to the mismatch between their gender identity and their sex assigned at birth. The child often expresses a strong desire to be the other gender or identifies as a gender different from their birth sex.

This disorder involves persistent and excessive worry about various life domains such as work or health. The anxiety is difficult to control and leads to significant distress or functional impairment.

Defined by a pervasive pattern of excessive emotionality and attention-seeking behavior. These individuals are often uncomfortable when they are not the center of attention.

This involves a persistent difficulty discarding possessions regardless of their actual value, resulting in the accumulation of items that clutter living spaces. The behavior compromises the intended use of the home.

This involves a preoccupation with having or acquiring a serious, undiagnosed illness despite the absence of significant physical symptoms. The focus is on the threat of disease rather than the symptoms themselves.

A persistent difficulty with sleep initiation, duration, or quality despite having adequate opportunity to sleep. This condition causes significant functional impairment during the day and is not better explained by another sleep or mental health condition.

Characterized by recurring outbursts representing a failure to control aggressive impulses. These outbursts are grossly disproportionate to the provocation or any triggering psychosocial stressor.

This condition involves persistent difficulties in the acquisition and use of language across modalities due to deficits in comprehension or production. The individual's language abilities are substantially below those expected for their age.

A mood disorder characterized by at least two weeks of pervasive low mood or loss of interest in activities. It causes significant distress and interferes with the individual's daily functioning.

This diagnosis applies when neurocognitive deficits persist following a traumatic brain injury. The severity and nature of the cognitive impairment often correlate with the impact and site of the initial trauma.

Characterized by a pervasive pattern of grandiosity and a constant need for admiration. Individuals with this condition typically display a lack of empathy and a sense of entitlement.

A neurological condition involving the brain's inability to regulate sleep-wake cycles, resulting in uncontrollable daytime sleep attacks. Patients may also experience sudden loss of muscle tone triggered by strong emotions.

OCD involves recurrent, intrusive thoughts that cause anxiety, followed by repetitive behaviors or mental acts performed to neutralize the distress. These behaviors are time-consuming and interfere with daily functioning.

A respiratory-driven sleep disorder where breathing is repeatedly interrupted during sleep due to airway blockage. This leads to fragmented sleep and excessive daytime sleepiness or fatigue.

This disorder involves the compulsive use of opioids despite significant health or social consequences. It typically includes physical dependence and severe cravings that interfere with daily functioning.

A frequent and persistent pattern of angry, irritable mood, argumentative behavior, or vindictiveness. It creates significant problems in interactions with authority figures or peers.

This is a condition where somatic symptom disorder is predominantly characterized by persistent, severe pain. The pain causes extreme distress and interferes with routine functioning.

Characterized by recurrent, unexpected panic attacks that reach a peak within minutes. Patients experience persistent concern about future attacks or significant behavioral changes to avoid them.

This disorder involves a pattern of pervasive distrust and suspiciousness of others. Individuals interpret others' motives as malevolent, leading them to avoid intimacy and hold grudges.

Now classified as a gambling disorder, it involves persistent and recurrent problematic gambling behavior. This leads to clinically significant impairment, often involving financial ruin and lying to conceal the extent of involvement.

A condition involving intense and recurrent sexual urges or fantasies involving prepubescent children. The individual has acted on these urges or feels significant distress because of them.

A continuous, long-term state of depression that lasts for at least two years. The symptoms are generally less severe than those of major depression but are more persistent.

PTSD develops following exposure to a traumatic event, involving involuntary memories, avoidance of reminders, and negative alterations in cognition and mood. It includes marked physiological hyperarousal.

A severe form of premenstrual syndrome characterized by emotional and physical symptoms that emerge in the week before menses. Symptoms improve rapidly after the onset of menstruation and are minimal post-menses.

A condition in which an individual experiences both the symptoms of schizophrenia and a major mood episode, such as mania or depression. Psychotic symptoms must persist for at least two weeks in the absence of a major mood episode.

A chronic mental health condition marked by distortions in reality, including hallucinations and delusions. It involves a decline in occupational, social, or personal functioning persisting for at least six months.

A pattern of social and interpersonal deficits marked by acute discomfort with close relationships, along with cognitive or perceptual distortions. It represents a sub-threshold expression of the schizophrenia spectrum.

This disorder involves the problematic use of medications such as benzodiazepines or barbiturates. It leads to significant impairment through misuse, tolerance, and physical withdrawal symptoms.

This condition features an intense fear of social situations involving potential scrutiny by others. Individuals fear that their actions will lead to negative evaluation or humiliation.

Individuals experience distressing physical symptoms accompanied by excessive thoughts, feelings, or behaviors related to the health concerns. The preoccupation takes a toll on the person's daily life.

Persistent difficulty with speech sound production that prevents verbal communication of messages. This is not due to physical or neurological causes and interferes with academic or social performance.

Used when symptoms characteristic of a mental disorder cause clinical distress but do not meet the full criteria for any specific disorder. This is a temporary classification until more information is gathered.

Applied when there is clear evidence of a cognitive decline, but the etiology cannot be definitively determined. It is often used in cases where diagnostic testing is incomplete.