Correct Answer: C. Tingling at extremities
This patient presents with a classic triad of generalized anxiety disorder (GAD) with prominent somatization: chronic tension, gastrointestinal symptoms (upset stomach, diarrhea, heartburn), and a family history suggesting genetic predisposition. The key discriminator is recognizing that the physical symptoms described are somatic manifestations of anxiety, not primary GI pathology.
In GAD, the hyperarousal of the sympathetic nervous system triggers multiple physical symptoms. Among the options, tingling at extremities (paresthesias) is a hallmark somatic symptom of anxiety and hyperventilation-induced respiratory alkalosis. Hyperventilation causes hypocapnia, leading to peripheral vasoconstriction and perioral/acral paresthesias—a classic anxiety symptom seen frequently in Indian clinical practice.
The family history is significant: GAD has a heritability of ~30%, and familial clustering of anxiety and somatoform symptoms is well-documented. This rules out primary psychotic or personality-based symptoms. The "feeling tensed" with GI upset and paresthesias forms the characteristic anxiety symptom cluster, where tingling represents the physical manifestation of the anxiety state rather than a neurological disorder. This is a common presentation in Indian outpatient psychiatry, often initially misdiagnosed as thyroid dysfunction or neurological disease.
Why the other options are wrong
A. Hallucinations — Hallucinations are a psychotic symptom requiring loss of reality testing and are NOT features of GAD or somatoform disorders. While severe anxiety can cause perceptual disturbances (illusions), true hallucinations indicate psychosis (schizophrenia, bipolar disorder, or psychotic depression)—a fundamentally different diagnostic category. This is an NBE trap conflating anxiety severity with psychosis. B. Neologisms — Neologisms (invented words) are a formal thought disorder characteristic of schizophrenia and severe psychotic states, not anxiety disorders. GAD patients have intact language and thought form; they experience worry and somatic symptoms, not disorganized speech. This option tests whether students confuse anxiety with psychosis—a critical differential in psychiatry. D. Idea of reference — Ideas of reference (belief that unrelated events have special personal meaning) are a psychotic or paranoid feature seen in schizophrenia, delusional disorder, or severe personality pathology. GAD patients have insight and do not misinterpret external events as directed at them. This option again conflates anxiety with psychosis, testing whether students recognize that GAD remains within the neurotic spectrum.
High-Yield Facts
- Paresthesias (tingling) in GAD result from hyperventilation-induced respiratory alkalosis and peripheral vasoconstriction, not neurological disease.
- GAD diagnostic criteria require ≥6 months of excessive worry + ≥3 somatic symptoms (tension, GI upset, sleep disturbance, paresthesias, tremor).
- Family history of anxiety/somatization supports GAD diagnosis; heritability ~30%, making familial clustering common in Indian populations.
- Somatization in anxiety is the rule in Indian clinical practice; patients often present to gastroenterology or neurology before psychiatry, delaying diagnosis.
- Psychotic symptoms (hallucinations, neologisms, ideas of reference) are absent in GAD and indicate a different diagnostic category requiring antipsychotic consideration.
Mnemonics
GAD Somatic Symptoms (TENSE) Tremor, Excessive worry, Nausea/GI upset, Sleep disturbance, Extremity paresthesias. Use when differentiating anxiety somatic symptoms from primary medical disease. Anxiety ≠ Psychosis Anxiety = Insight intact, reality testing normal, no hallucinations/delusions. Psychosis = Insight lost, reality testing impaired, hallucinations/delusions present. Use to rule out psychotic options in anxiety questions.
NBE Trap
NBE pairs GAD with somatic symptoms and then offers psychotic symptoms (hallucinations, neologisms, ideas of reference) as distractors to test whether students conflate anxiety severity with psychosis. The trap is that severe anxiety can mimic psychosis clinically, but the patient retains insight and reality testing—the key discriminator.
Clinical Pearl
In Indian primary care, GAD patients frequently present to general practitioners or gastroenterologists with "acidity" and "tingling in hands" before being recognized as anxiety cases. The family history of similar symptoms is a red flag for familial anxiety—screening the patient's relatives often reveals undiagnosed GAD in parents or siblings, validating the diagnosis and improving treatment acceptance.
_Reference: Kaplan & Sadock's Synopsis of Psychiatry (Indian adaptation), Chapter on Anxiety Disorders; DSM-5 Criteria for Generalized Anxiety Disorder; Harrison's Principles of Internal Medicine, Ch. 387 (Anxiety Disorders)_