What is the difference between normal cough and whooping cough
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A normal cough is a symptom, often from a cold, throat irritation, allergies, asthma, smoke, or another respiratory illness. Whooping cough, also called pertussis, is a specific, contagious bacterial infection caused by Bordetella pertussis.
| Feature | Usual cough from a cold/irritation | Whooping cough (pertussis) |
|---|---|---|
| Pattern | Occasional or frequent coughing, usually gradually improves | Repeated, forceful coughing fits, often worse at night |
| Sound | No characteristic sound | A high-pitched intake of breath after a coughing fit may cause a “whoop” |
| Other clues | Runny nose, sore throat, fever may occur | May start like a mild cold, then after 1-2 weeks develops severe coughing spells |
| Vomiting/exhaustion | Less typical | Coughing may end in vomiting, breathlessness, or marked exhaustion |
| Duration | Often days to 2-3 weeks | Can persist for many weeks, sometimes months |
| Cause/spread | Many causes; common colds are usually viral | Bacterial and spreads readily through respiratory droplets |
| Who gets the “whoop” | Not applicable | Often absent in vaccinated people, teenagers, adults, and infants |
In babies, whooping cough may cause pauses in breathing (apnea) with little or no cough, and the classic whoop may be absent. It can be serious in infants. The CDC clinical overview describes the typical progression from cold-like symptoms to frequent coughing attacks and a prolonged recovery period.
Seek medical care promptly for cough with breathing difficulty, bluish lips/face, pauses in breathing, dehydration, repeated vomiting, or if the person is an infant. Also get evaluated for a cough lasting over 2 weeks, especially with coughing fits or vomiting, since testing and early antibiotics may help limit spread. Vaccination is the best prevention.
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