What should you know about hundred day cough?

Short answer
Hundred day cough usually describes a cough that continues for weeks after an infection, rather than a precise diagnosis or promise that it will last that long.
This answers one question. It is not a diagnosis and does not replace an assessment by a licensed doctor.
At a glance
- Meaning
- A lingering cough after an illness
- Possible triggers
- Cold air, talking, exercise, or irritants
- Urgent warning
- Severe breathing difficulty or blue lips
The short answer
The airways can remain sensitive after the original illness has improved, so talking, cold air, exercise, or strong smells may trigger bouts of coughing.
What the name can mean
A lingering cough may follow a common cold or acute bronchitis. Other explanations include asthma, nasal irritation from allergic rhinitis, acid reflux, or a condition that affects mucus clearance such as bronchiectasis.
The sound of a cough alone cannot identify its cause. A clinician may ask when it began, whether it is dry or produces phlegm, what triggers it, and whether you have fever, wheezing, breathlessness, chest pain, or vomiting during coughing.
In babies and young children, a persistent cough deserves particular attention because bronchiolitis and other breathing illnesses can worsen more quickly.
What you can do
Drink fluids regularly, rest, and avoid cigarette smoke, vaping aerosols, incense, and other known irritants. Warm drinks may soothe an irritated throat. Honey can help some adults and children over one year old, but it must not be given to infants under one year.
Follow the label or a clinician’s instructions before using cough medicines, especially for children, pregnancy, or other medical conditions. Antibiotics do not treat every lingering cough and should only be used when prescribed for a reason.
Arrange a medical review if the cough is not settling, keeps returning, disrupts sleep, or affects daily activities. Bring a list of medicines and note triggers, phlegm, and changes over time.
When to seek care
Seek urgent help for severe difficulty breathing, blue or grey lips, confusion, fainting, or chest pain that is severe or persistent. Coughing blood, marked drowsiness, or a child struggling to breathe also needs urgent assessment.
Contact a clinician promptly if you have a high or returning fever, worsening breathlessness, repeated vomiting, dehydration, unexplained weight loss, or a cough that is progressively worsening. People with lung disease, a weakened immune system, or very young children may need earlier advice.
Questions for your doctor
Ask what causes fit the timing and pattern of your cough, whether your breathing and chest need examination, and which symptoms should prompt urgent review. You can also ask whether reflux, allergies, asthma, or a recent infection could be contributing.
Find care
General Clinics & Polyclinics in Abu Dhabi
That answer is general. If you want it applied to your own case, these are licensed general clinics & polyclinics listed in Abu Dhabi.
27 Ar Ruwwad St - Shakhbout City - MSH4 - Abu Dhabi - United Arab Emirates
Accepts: Daman, Thiqa, Cigna, MetLife +20 more
Al Ruwais, Al Dhafrah
Accepts: Daman, Thiqa, AXA, Cigna +16 more
Al Bahyah - Al Bahyah Old - Abu Dhabi - United Arab Emirates
Accepts: Daman, Thiqa, Cigna, Allianz Care +18 more
Abu Dhabi
Accepts: Daman, Thiqa, AXA, Cigna +27 more
Ordered by verification status and how complete each clinic's public record is, then alphabetically. This is a directory listing, not a ranking — Zavis does not rate or recommend providers.
A factual listing drawn from the DHA, DOH and MOHAP licence registers. It is not a referral, an endorsement, or advice that any of these providers is right for you.
Questions people ask
Does hundred day cough always last one hundred days?
No. The phrase describes a lingering cough and is not a reliable timetable. Recovery varies with the original illness, airway sensitivity, and any ongoing trigger.
Should a lingering cough be checked?
Arrange a review when it is worsening, repeatedly disturbing sleep, limiting activity, or accompanied by breathlessness, fever, chest pain, or blood.
Can a cold cause a cough that lingers?
Yes. A cough can remain after a common cold because airway irritation may outlast the other symptoms, but persistent or changing symptoms may have another cause.
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Medical disclaimer. This page is general health information, not medical advice, and it cannot diagnose you. Always consult a licensed healthcare provider about your own symptoms and treatment. In an emergency in the UAE, call 998 for an ambulance.