The phrase '100 days cough' is used for which disease?

UPPSC-2021

Medical Surgical Nursing

Easy

Appeared in: UPPSC-2021

Explanation

Pertussis is commonly known as the "100 days cough" because the illness, particularly the severe coughing phase (paroxysmal and convalescent stages), can last for up to 10-12 weeks.
It is a highly contagious respiratory infection caused by the bacterium Bordetella pertussis.
The disease is characterized by uncontrollable, violent coughing fits (paroxysms) that often end with a high-pitched "whoop" sound during inhalation, along with post-tussive vomiting.

Option A: Tuberculosis is characterized by a chronic cough lasting more than two weeks, but it is also associated with systemic symptoms like night sweats, weight loss, and fever. It is not referred to as the '100 days cough'.
Option B: Measles is a viral illness whose classic signs are a maculopapular rash, Koplik's spots on the buccal mucosa, and the '3 Cs': cough, coryza, and conjunctivitis. The cough is not the defining prolonged feature.
Option C: Diphtheria's hallmark sign is a thick, gray, adherent pseudomembrane in the throat, which can cause airway obstruction. Other signs include a sore throat and a swollen 'bull neck'. A severe cough is not its primary characteristic.

Clinical Relevance

Nursing practice connection: Knowing Common name and characteristics of Pertussis helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Nurses must recognize the signs of pertussis, especially in infants who may present atypically with apnea instead of a classic cough, and immediately implement droplet precautions to prevent transmission.
Vaccination is the cornerstone of prevention. Nurses play a crucial role in educating parents about the DTaP schedule for children and the importance of the Tdap booster for adolescents, adults, and pregnant women to create a 'cocoon' of protection for vulnerable infants.
What if the patient is an infant under 3 months old? In this case, the presentation is often atypical and more severe. The classic 'whoop' may be absent, and the primary signs can be gagging, gasping, or life-threatening apnea. Hospitalization is almost always required for monitoring and supportive care.

How to Approach the Question

First, identify the key phrase in the question: '100 days cough'. This is a specific clinical descriptor or a common name for a disease.
Recognize this as a factual recall question that tests your knowledge of infectious diseases and their common names.
Systematically evaluate each option based on its classic clinical presentation.
Recall that Tuberculosis causes a chronic cough but is primarily associated with symptoms like night sweats and weight loss.
Remember that Measles is known for its rash and Koplik's spots, and Diphtheria for its pseudomembrane.
Connect the prolonged duration implied by '100 days' to the long-lasting paroxysmal and convalescent stages of Pertussis (whooping cough), making it the most logical answer.

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