Category: mental diseases

A mood disorder characterized by depressive and hypomanic episodes, without full mania 1. Definition & Diagnostic Criteria (DSM-5) Bipolar II requires:✅ At least one major depressive episode✅ At least one hypomanic episode (lasting

A severe mood disorder characterized by manic episodes that may alternate with depressive episodes 1. Definition & Diagnostic Criteria (DSM-5) Bipolar I requires:✅ At least one manic episode (lasting ≥1 week or

A severe, biologically-based mood disorder linked to the menstrual cycle 1. Definition & Diagnostic Criteria (DSM-5) PMDD requires ≥5 symptoms in the final week before menses, improving within a few days after

A chronic form of depression with persistent low mood 1. Definition & Diagnostic Criteria (DSM-5) PDD requires:✅ Depressed mood for most of the day, for more days than not✅ Duration ≥2 years

A serious mood disorder characterized by persistent sadness and loss of interest 1. Definition & Diagnostic Criteria (DSM-5) MDD requires ≥5 symptoms for ≥2 weeks, with at least one being:✅ Depressed

A psychotic condition characterized by persistent, non-bizarre delusions without other prominent psychotic symptoms 1. Definition & Diagnostic Criteria (DSM-5) Delusional Disorder is marked by:✅ Fixed false beliefs (delusions) lasting ≥1 month✅ No other psychotic

A short-term psychotic disorder with symptoms similar to schizophrenia 1. Definition & Diagnostic Criteria (DSM-5) Schizophreniform Disorder is characterized by:✅ Identical symptoms to schizophrenia (delusions, hallucinations, disorganized speech/behavior)✅ Duration of 1-6 months (vs. 6+ months

A complex mental health condition combining features of schizophrenia and mood disorders 1. Definition & Diagnostic Criteria (DSM-5) Schizoaffective Disorder is characterized by:✅ Psychotic symptoms (hallucinations/delusions) AND✅ Mood episodes (major depressive or manic) occurring: Two Subtypes:

A severe, chronic mental disorder characterized by distortions in thinking, perception, and behavior 1. Definition & Diagnostic Criteria (DSM-5) Schizophrenia is a psychotic disorder with:✅ Two or more core symptoms lasting ≥6 months: Key Note:

A neurological disorder characterized by involuntary movements and sounds 1. Definition & Diagnostic Criteria (DSM-5) Tourette’s Syndrome (TS) is a tic disorder with:✅ Multiple motor tics (e.g., eye blinking, head jerking)✅ At least one vocal tic (e.g.,