A Cough That Won’t Go Away: When to Take It Seriously
How Long Is Too Long?
A cough after a cold or flu can linger a couple of weeks as the airways recover — that is normal. But a cough that persists beyond three to four weeks is no longer just a leftover from infection and should be looked into. A cough lasting more than eight weeks is considered chronic and definitely warrants assessment.
The Usual Culprits
Persistent cough has a handful of common causes: lingering airway irritation after a viral infection, asthma (sometimes cough is the only symptom), acid reflux irritating the throat, post-nasal drip from sinus problems, and smoking-related airway disease. Certain blood pressure medicines can also cause a dry cough. Identifying the cause is what allows effective treatment rather than endless cough syrups.
Warning Signs That Change the Picture
Some features turn a nuisance cough into something needing urgent attention: coughing up blood, unexplained weight loss, drenching night sweats, persistent chest pain, or increasing breathlessness. In anyone with a long smoking history, a new or changing cough should always be evaluated. These signs do not mean the worst, but they must be checked.
Common Questions
When should I see a doctor for a cough?
See a doctor if a cough lasts more than three to four weeks, or sooner if you cough up blood, lose weight, have night sweats, chest pain or increasing breathlessness. A long-standing smoker with a new or changed cough should always be assessed.
Can a cough be the only sign of asthma?
Yes — in some people, particularly, a persistent dry cough (often worse at night or with exercise) can be the main or only symptom of asthma. A pulmonologist can test for this.
Cough That Won’t Settle? See a Pulmonologist
Book a consultation with a Health1 specialist — online, by phone on 079 6999 6999, or on WhatsApp. For emergencies, call 90331 14444 (24×7).
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