Disease Knowledge Center

Evidence-Based Medical Encyclopedia

Explore thousands of diseases with authoritative clinical information from WHO, CDC, NIH, and international medical guidelines. Every condition features an interactive journey from diagnosis to treatment.

200 Diseases
60 Specialties
276 Sources

Browse by Specialty

Psychiatry Clear Filters

Psychiatry

Psychiatry

Post-Traumatic Stress Disorder

A debilitating mental health condition triggered by experiencing or witnessing a terrifying event, causing flashbacks, nightmares, and severe anxiety.

Psychiatry

Major Depressive Disorder

A serious mental health condition marked by at least two weeks of pervasive sadness and loss of interest, impairing daily life and requiring medical and psychological treatment.

Psychiatry

Schizophrenia

A chronic, severe mental disorder characterized by hallucinations, delusions, disorganized thinking, and emotional flattening, causing severe functional impairment.

Psychiatry F31.9

Bipolar Disorder

A lifelong mood disorder marked by severe highs (mania) and lows (depression), treated primarily with mood stabilizers like Lithium or Valproate.

Psychiatry

Obsessive-Compulsive Disorder

A mental health condition where a person has uncontrollable, recurring thoughts (obsessions) and behaviors (compulsions) they feel the urge to repeat over and over.

Neurology & Psychiatry G31.83

Dementia with Lewy Bodies

A progressive dementia causing fluctuating confusion, detailed visual hallucinations, and Parkinson-like stiffness, with severe reactions to typical antipsychotic drugs.

Psychiatry

Panic Disorder

Recurrent, unpredictable episodes of overwhelming terror and physical symptoms, followed by persistent fear of future attacks.

System Notice

Confirm Action