Psychiatry

Generalized Anxiety Disorder (GAD) — Clinical Reference

Last reviewed 2026-06-19 · TruelyserMD Clinical Reference
For Patients & General Readers

Generalized Anxiety Disorder (GAD) is a condition where people experience excessive and uncontrollable worry about everyday things, even when there's little or no reason to worry. It can affect anyone, and it's important to recognize because it can significantly impact a person's daily life, relationships, and overall well-being.

Clinical Overview

GAD is characterized by persistent and excessive worry about a variety of events or activities, occurring more days than not for at least six months. This worry is difficult to control and is associated with significant distress and functional impairment, often accompanied by somatic symptoms.

Clinical Presentation

Signs & Symptoms

Symptoms (Patient-Reported)

  • Feeling restless or on edge
  • Being easily fatigued
  • Difficulty concentrating or mind going blank
  • Irritability
  • Muscle tension
  • Sleep disturbance (difficulty falling or staying asleep, restless, unsatisfying sleep)
  • Feeling overwhelmed by worries

Signs (Clinician-Observed)

  • Observable restlessness or fidgeting
  • Appearing tense or keyed up
  • Difficulty maintaining eye contact due to distraction
  • Complaints of somatic symptoms like headaches or gastrointestinal upset
  • Increased startle response

Differential Diagnoses

ConditionDistinguishing Feature
Panic DisorderCharacterized by recurrent, unexpected panic attacks with intense fear and physical symptoms, whereas GAD involves persistent, generalized worry.
Social Anxiety Disorder (Social Phobia)Fear and avoidance are specifically related to social situations and scrutiny by others, unlike the pervasive worry in GAD.
Obsessive-Compulsive Disorder (OCD)Involves intrusive, unwanted obsessions and compulsive behaviors aimed at reducing anxiety, distinct from the generalized worry pattern of GAD.
Post-Traumatic Stress Disorder (PTSD)Anxiety and worry are directly related to a traumatic event, including re-experiencing, avoidance, and hyperarousal, not general life concerns.
Medical Conditions (e.g., hyperthyroidism, cardiac arrhythmias, hypoglycemia)Somatic symptoms of anxiety can mimic medical conditions; a thorough medical workup is crucial to rule out organic causes.
Substance-Induced Anxiety DisorderAnxiety symptoms are directly caused by intoxication or withdrawal from a substance (e.g., stimulants, caffeine).

Red Flags — Seek Immediate Care

Key Investigations

Management Overview

Management of GAD typically involves a combination of psychotherapy, most notably Cognitive Behavioral Therapy (CBT), and pharmacotherapy. CBT focuses on identifying and challenging maladaptive thought patterns and developing coping strategies, while pharmacotherapy often includes selective serotonin reuptake inhibitors (SSRIs) or serotonin-norepinephrine reuptake inhibitors (SNRIs) as first-line agents.

Disclaimer: This article is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional for diagnosis and treatment. TruelyserMD does not replace clinical judgement.