What is the patient afraid of in Hydrophobia?

MP CHO -2019 (Shift-2)

Medical Surgical Nursing

Easy

Appeared in: MP CHO -2019 (Shift-2)

Explanation

Hydrophobia is the defining clinical term for the fear of water seen in patients with rabies.
This symptom is a pathognomonic sign of furious rabies, meaning its presence is specifically indicative of the disease.
The 'fear' is a conditioned response to the extremely painful and involuntary spasms of the pharyngeal and laryngeal muscles that occur when attempting to swallow liquids.
The rabies virus attacks the central nervous system, causing this severe dysfunction in the brainstem which controls swallowing.
Even the mere sight, sound, or suggestion of water can trigger these violent, agonizing spasms.

Option A: Rabies is a severe neurological disease that causes profound behavioral changes, including agitation, aggression, confusion, and hyperactivity. Normal behavior is not maintained.
Option B: While nonspecific symptoms like fatigue and fever can occur in the early prodromal stage of rabies, hydrophobia is a feature of the acute neurologic (furious) phase, which is characterized by hyperactivity and excitation, not sleepiness.
Option D: This is the direct opposite of what occurs in hydrophobia. The patient is unable to swallow water due to the painful spasms and thus avoids it, leading to severe dehydration.

Clinical Relevance

Nursing practice connection: Use the key finding related to Clinical manifestations of Rabies (Hydrophobia) to guide bedside assessment, documentation, and the next nursing action.
The appearance of hydrophobia is a critical diagnostic clue for rabies, which is a medical emergency. Once these symptoms appear, the disease is almost invariably fatal.
Nursing care for a patient with symptomatic rabies is palliative, focusing on comfort and safety. This includes minimizing all sensory stimuli (e.g., keeping the room dark and quiet, avoiding drafts of air or the sight/sound of water) to prevent triggering painful spasms.
What if? If a patient presents with a recent animal bite but has NO symptoms of hydrophobia, the priority is not observation but immediate post-exposure prophylaxis (PEP). This involves vigorous wound washing, a course of rabies vaccine, and administration of rabies immunoglobulin (RIG) to prevent the virus from reaching the CNS and causing fatal disease.

How to Approach the Question

First, identify the key term in the question, which is 'Hydrophobia'.
Break down the word into its roots: 'Hydro' refers to water, and 'phobia' refers to fear.
Combine the roots to understand the literal meaning: 'fear of water'.
Scan the options to find the one that matches this literal definition. Option C, 'afraid of water', is a direct match.
Confirm your understanding by recalling the context. Hydrophobia is the classic symptom of rabies, where attempts to drink cause painful throat spasms, leading to a conditioned fear of water.

Concept Tested & Keywords

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E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart B (pp 202-403 of 604) p. 140-142

E6 Medicine Harrison 22e Part 1 p. 1693-1695