Common Concerns

What brings you here today?

28 Best General Physician Doctors for Cold And Cough Treatment in Hyderabad, Telangana

Consult verified General Physicians in Hyderabad for Cold And Cough Treatment. Consultation fees from ₹300 – ₹500.

🎥
Need Instant Video Doctor Consultation?Connect with top-rated video doctors in Hyderabad from home.
Online Doctor Consultation In Hyderabad →
👨‍⚕️
Looking for all General Physicians in Hyderabad?Browse the complete directory of verified General Physicians in Hyderabad.
View All General Physicians →

Acute cough and common cold (nasopharyngitis) are upper respiratory tract conditions primarily triggered by viral pathogens such as rhinoviruses, coronaviruses, and adenoviruses. In Hyderabad, seasonal transitions, sharp humidity variations, and urban particulate pollution frequently exacerbate upper airway inflammation, causing symptoms such as nasal congestion, rhinorrhea, paroxysmal sneezing, post-nasal drip, throat tickle, and irritating dry or productive coughs.

Experienced General Physicians in Hyderabad perform anterior rhinoscopy, throat examination, and chest auscultation to ensure clear lung fields, ruling out bacterial tonsillitis, acute sinusitis, bronchitis, or early pneumonia. Primary care treatments focus on symptomatic decongestion, mucolytics, steam inhalation protocols, throat gargles, and non-sedating antihistamines. Antibiotics are strictly reserved for verified secondary bacterial infections to prevent drug resistance.

Consultations for cold and cough relief with top General Physicians on NectarPlus Health in Hyderabad range from ₹300 – ₹500. Expert evaluation ensures rapid symptomatic recovery and prevents the progression of simple viral colds into severe lower respiratory complications.

  • 🎥 Video Consultation Only
    Hyderabad
    ₹249
    Today 0 slots
    Sun, Nov 08 42 slots
    Mon, Nov 09 42 slots
    Tue, Nov 10 42 slots
    Wed, Nov 11 42 slots
    Thu, Nov 12 42 slots
    Fri, Nov 13 42 slots
    Sat, Nov 14 42 slots
    Sun, Nov 15 42 slots
    Mon, Nov 16 42 slots
    Tue, Nov 17 42 slots
    Wed, Nov 18 42 slots
    Thu, Nov 19 42 slots
    Fri, Nov 20 42 slots
    Today Nov 07 0 slots
    Sun Nov 08 42 slots
    Mon Nov 09 42 slots
    Tue Nov 10 42 slots
    Wed Nov 11 42 slots
    Thu Nov 12 42 slots
    Fri Nov 13 42 slots
    Sat Nov 14 42 slots
    Sun Nov 15 42 slots
    Mon Nov 16 42 slots
    Tue Nov 17 42 slots
    Wed Nov 18 42 slots
    Thu Nov 19 42 slots
    Fri Nov 20 42 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹250
    Today 16 slots
    Sun, Nov 08 16 slots
    Mon, Nov 09 16 slots
    Tue, Nov 10 16 slots
    Wed, Nov 11 16 slots
    Thu, Nov 12 16 slots
    Fri, Nov 13 16 slots
    Sat, Nov 14 16 slots
    Sun, Nov 15 16 slots
    Mon, Nov 16 16 slots
    Tue, Nov 17 16 slots
    Wed, Nov 18 16 slots
    Thu, Nov 19 16 slots
    Fri, Nov 20 16 slots
    Today Nov 07 16 slots
    Sun Nov 08 16 slots
    Mon Nov 09 16 slots
    Tue Nov 10 16 slots
    Wed Nov 11 16 slots
    Thu Nov 12 16 slots
    Fri Nov 13 16 slots
    Sat Nov 14 16 slots
    Sun Nov 15 16 slots
    Mon Nov 16 16 slots
    Tue Nov 17 16 slots
    Wed Nov 18 16 slots
    Thu Nov 19 16 slots
    Fri Nov 20 16 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹150
    Today 6 slots
    Sun, Nov 08 6 slots
    Mon, Nov 09 6 slots
    Tue, Nov 10 6 slots
    Wed, Nov 11 6 slots
    Thu, Nov 12 6 slots
    Fri, Nov 13 6 slots
    Sat, Nov 14 6 slots
    Sun, Nov 15 6 slots
    Mon, Nov 16 6 slots
    Tue, Nov 17 6 slots
    Wed, Nov 18 6 slots
    Thu, Nov 19 6 slots
    Fri, Nov 20 6 slots
    Today Nov 07 6 slots
    Sun Nov 08 6 slots
    Mon Nov 09 6 slots
    Tue Nov 10 6 slots
    Wed Nov 11 6 slots
    Thu Nov 12 6 slots
    Fri Nov 13 6 slots
    Sat Nov 14 6 slots
    Sun Nov 15 6 slots
    Mon Nov 16 6 slots
    Tue Nov 17 6 slots
    Wed Nov 18 6 slots
    Thu Nov 19 6 slots
    Fri Nov 20 6 slots
  • Evergreen Hospital
    Chanda Nagar, Hyderabad
    ₹300
    ₹300
    Today 16 slots
    Sun, Nov 08 44 slots
    Mon, Nov 09 44 slots
    Tue, Nov 10 44 slots
    Wed, Nov 11 44 slots
    Thu, Nov 12 44 slots
    Fri, Nov 13 44 slots
    Sat, Nov 14 44 slots
    Sun, Nov 15 44 slots
    Mon, Nov 16 44 slots
    Tue, Nov 17 44 slots
    Wed, Nov 18 44 slots
    Thu, Nov 19 44 slots
    Fri, Nov 20 44 slots
    Today Nov 07 16 slots
    Sun Nov 08 44 slots
    Mon Nov 09 44 slots
    Tue Nov 10 44 slots
    Wed Nov 11 44 slots
    Thu Nov 12 44 slots
    Fri Nov 13 44 slots
    Sat Nov 14 44 slots
    Sun Nov 15 44 slots
    Mon Nov 16 44 slots
    Tue Nov 17 44 slots
    Wed Nov 18 44 slots
    Thu Nov 19 44 slots
    Fri Nov 20 44 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹500
    Today 27 slots
    Sun, Nov 08 93 slots
    Mon, Nov 09 93 slots
    Tue, Nov 10 93 slots
    Wed, Nov 11 93 slots
    Thu, Nov 12 93 slots
    Fri, Nov 13 93 slots
    Sat, Nov 14 93 slots
    Sun, Nov 15 93 slots
    Mon, Nov 16 93 slots
    Tue, Nov 17 93 slots
    Wed, Nov 18 93 slots
    Thu, Nov 19 93 slots
    Fri, Nov 20 93 slots
    Today Nov 07 27 slots
    Sun Nov 08 93 slots
    Mon Nov 09 93 slots
    Tue Nov 10 93 slots
    Wed Nov 11 93 slots
    Thu Nov 12 93 slots
    Fri Nov 13 93 slots
    Sat Nov 14 93 slots
    Sun Nov 15 93 slots
    Mon Nov 16 93 slots
    Tue Nov 17 93 slots
    Wed Nov 18 93 slots
    Thu Nov 19 93 slots
    Fri Nov 20 93 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹300
    Today 0 slots
    Sun, Nov 08 24 slots
    Mon, Nov 09 24 slots
    Tue, Nov 10 24 slots
    Wed, Nov 11 24 slots
    Thu, Nov 12 24 slots
    Fri, Nov 13 24 slots
    Sat, Nov 14 24 slots
    Sun, Nov 15 24 slots
    Mon, Nov 16 24 slots
    Tue, Nov 17 24 slots
    Wed, Nov 18 24 slots
    Thu, Nov 19 24 slots
    Fri, Nov 20 24 slots
    Today Nov 07 0 slots
    Sun Nov 08 24 slots
    Mon Nov 09 24 slots
    Tue Nov 10 24 slots
    Wed Nov 11 24 slots
    Thu Nov 12 24 slots
    Fri Nov 13 24 slots
    Sat Nov 14 24 slots
    Sun Nov 15 24 slots
    Mon Nov 16 24 slots
    Tue Nov 17 24 slots
    Wed Nov 18 24 slots
    Thu Nov 19 24 slots
    Fri Nov 20 24 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹300
    Today 0 slots
    Sun, Nov 08 6 slots
    Mon, Nov 09 6 slots
    Tue, Nov 10 6 slots
    Wed, Nov 11 6 slots
    Thu, Nov 12 6 slots
    Fri, Nov 13 6 slots
    Sat, Nov 14 6 slots
    Sun, Nov 15 6 slots
    Mon, Nov 16 6 slots
    Tue, Nov 17 6 slots
    Wed, Nov 18 6 slots
    Thu, Nov 19 6 slots
    Fri, Nov 20 6 slots
    Today Nov 07 0 slots
    Sun Nov 08 6 slots
    Mon Nov 09 6 slots
    Tue Nov 10 6 slots
    Wed Nov 11 6 slots
    Thu Nov 12 6 slots
    Fri Nov 13 6 slots
    Sat Nov 14 6 slots
    Sun Nov 15 6 slots
    Mon Nov 16 6 slots
    Tue Nov 17 6 slots
    Wed Nov 18 6 slots
    Thu Nov 19 6 slots
    Fri Nov 20 6 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹500
    Today 20 slots
    Sun, Nov 08 56 slots
    Mon, Nov 09 56 slots
    Tue, Nov 10 56 slots
    Wed, Nov 11 56 slots
    Thu, Nov 12 56 slots
    Fri, Nov 13 56 slots
    Sat, Nov 14 56 slots
    Sun, Nov 15 56 slots
    Mon, Nov 16 56 slots
    Tue, Nov 17 56 slots
    Wed, Nov 18 56 slots
    Thu, Nov 19 56 slots
    Fri, Nov 20 56 slots
    Today Nov 07 20 slots
    Sun Nov 08 56 slots
    Mon Nov 09 56 slots
    Tue Nov 10 56 slots
    Wed Nov 11 56 slots
    Thu Nov 12 56 slots
    Fri Nov 13 56 slots
    Sat Nov 14 56 slots
    Sun Nov 15 56 slots
    Mon Nov 16 56 slots
    Tue Nov 17 56 slots
    Wed Nov 18 56 slots
    Thu Nov 19 56 slots
    Fri Nov 20 56 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹200
    Today 0 slots
    Sun, Nov 08 12 slots
    Mon, Nov 09 0 slots
    Tue, Nov 10 0 slots
    Wed, Nov 11 0 slots
    Thu, Nov 12 0 slots
    Fri, Nov 13 0 slots
    Sat, Nov 14 8 slots
    Sun, Nov 15 12 slots
    Mon, Nov 16 0 slots
    Tue, Nov 17 0 slots
    Wed, Nov 18 0 slots
    Thu, Nov 19 0 slots
    Fri, Nov 20 0 slots
    Today Nov 07 0 slots
    Sun Nov 08 12 slots
    Mon Nov 09 0 slots
    Tue Nov 10 0 slots
    Wed Nov 11 0 slots
    Thu Nov 12 0 slots
    Fri Nov 13 0 slots
    Sat Nov 14 8 slots
    Sun Nov 15 12 slots
    Mon Nov 16 0 slots
    Tue Nov 17 0 slots
    Wed Nov 18 0 slots
    Thu Nov 19 0 slots
    Fri Nov 20 0 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹600
    Today 24 slots
    Sun, Nov 08 64 slots
    Mon, Nov 09 64 slots
    Tue, Nov 10 64 slots
    Wed, Nov 11 64 slots
    Thu, Nov 12 64 slots
    Fri, Nov 13 64 slots
    Sat, Nov 14 64 slots
    Sun, Nov 15 64 slots
    Mon, Nov 16 64 slots
    Tue, Nov 17 64 slots
    Wed, Nov 18 64 slots
    Thu, Nov 19 64 slots
    Fri, Nov 20 64 slots
    Today Nov 07 24 slots
    Sun Nov 08 64 slots
    Mon Nov 09 64 slots
    Tue Nov 10 64 slots
    Wed Nov 11 64 slots
    Thu Nov 12 64 slots
    Fri Nov 13 64 slots
    Sat Nov 14 64 slots
    Sun Nov 15 64 slots
    Mon Nov 16 64 slots
    Tue Nov 17 64 slots
    Wed Nov 18 64 slots
    Thu Nov 19 64 slots
    Fri Nov 20 64 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹500
    Today 20 slots
    Sun, Nov 08 20 slots
    Mon, Nov 09 20 slots
    Tue, Nov 10 20 slots
    Wed, Nov 11 20 slots
    Thu, Nov 12 20 slots
    Fri, Nov 13 20 slots
    Sat, Nov 14 20 slots
    Sun, Nov 15 20 slots
    Mon, Nov 16 20 slots
    Tue, Nov 17 20 slots
    Wed, Nov 18 20 slots
    Thu, Nov 19 20 slots
    Fri, Nov 20 20 slots
    Today Nov 07 20 slots
    Sun Nov 08 20 slots
    Mon Nov 09 20 slots
    Tue Nov 10 20 slots
    Wed Nov 11 20 slots
    Thu Nov 12 20 slots
    Fri Nov 13 20 slots
    Sat Nov 14 20 slots
    Sun Nov 15 20 slots
    Mon Nov 16 20 slots
    Tue Nov 17 20 slots
    Wed Nov 18 20 slots
    Thu Nov 19 20 slots
    Fri Nov 20 20 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹500
    Today 27 slots
    Sun, Nov 08 95 slots
    Mon, Nov 09 95 slots
    Tue, Nov 10 95 slots
    Wed, Nov 11 95 slots
    Thu, Nov 12 95 slots
    Fri, Nov 13 95 slots
    Sat, Nov 14 95 slots
    Sun, Nov 15 95 slots
    Mon, Nov 16 95 slots
    Tue, Nov 17 95 slots
    Wed, Nov 18 95 slots
    Thu, Nov 19 95 slots
    Fri, Nov 20 95 slots
    Today Nov 07 27 slots
    Sun Nov 08 95 slots
    Mon Nov 09 95 slots
    Tue Nov 10 95 slots
    Wed Nov 11 95 slots
    Thu Nov 12 95 slots
    Fri Nov 13 95 slots
    Sat Nov 14 95 slots
    Sun Nov 15 95 slots
    Mon Nov 16 95 slots
    Tue Nov 17 95 slots
    Wed Nov 18 95 slots
    Thu Nov 19 95 slots
    Fri Nov 20 95 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹350
    Today 18 slots
    Sun, Nov 08 40 slots
    Mon, Nov 09 40 slots
    Tue, Nov 10 40 slots
    Wed, Nov 11 40 slots
    Thu, Nov 12 40 slots
    Fri, Nov 13 40 slots
    Sat, Nov 14 40 slots
    Sun, Nov 15 40 slots
    Mon, Nov 16 40 slots
    Tue, Nov 17 40 slots
    Wed, Nov 18 40 slots
    Thu, Nov 19 40 slots
    Fri, Nov 20 40 slots
    Today Nov 07 18 slots
    Sun Nov 08 40 slots
    Mon Nov 09 40 slots
    Tue Nov 10 40 slots
    Wed Nov 11 40 slots
    Thu Nov 12 40 slots
    Fri Nov 13 40 slots
    Sat Nov 14 40 slots
    Sun Nov 15 40 slots
    Mon Nov 16 40 slots
    Tue Nov 17 40 slots
    Wed Nov 18 40 slots
    Thu Nov 19 40 slots
    Fri Nov 20 40 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹300
    Today 0 slots
    Sun, Nov 08 26 slots
    Mon, Nov 09 26 slots
    Tue, Nov 10 26 slots
    Wed, Nov 11 26 slots
    Thu, Nov 12 26 slots
    Fri, Nov 13 26 slots
    Sat, Nov 14 26 slots
    Sun, Nov 15 26 slots
    Mon, Nov 16 26 slots
    Tue, Nov 17 26 slots
    Wed, Nov 18 26 slots
    Thu, Nov 19 26 slots
    Fri, Nov 20 26 slots
    Today Nov 07 0 slots
    Sun Nov 08 26 slots
    Mon Nov 09 26 slots
    Tue Nov 10 26 slots
    Wed Nov 11 26 slots
    Thu Nov 12 26 slots
    Fri Nov 13 26 slots
    Sat Nov 14 26 slots
    Sun Nov 15 26 slots
    Mon Nov 16 26 slots
    Tue Nov 17 26 slots
    Wed Nov 18 26 slots
    Thu Nov 19 26 slots
    Fri Nov 20 26 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹400
    Today 14 slots
    Sun, Nov 08 30 slots
    Mon, Nov 09 30 slots
    Tue, Nov 10 30 slots
    Wed, Nov 11 30 slots
    Thu, Nov 12 30 slots
    Fri, Nov 13 30 slots
    Sat, Nov 14 30 slots
    Sun, Nov 15 30 slots
    Mon, Nov 16 30 slots
    Tue, Nov 17 30 slots
    Wed, Nov 18 30 slots
    Thu, Nov 19 30 slots
    Fri, Nov 20 30 slots
    Today Nov 07 14 slots
    Sun Nov 08 30 slots
    Mon Nov 09 30 slots
    Tue Nov 10 30 slots
    Wed Nov 11 30 slots
    Thu Nov 12 30 slots
    Fri Nov 13 30 slots
    Sat Nov 14 30 slots
    Sun Nov 15 30 slots
    Mon Nov 16 30 slots
    Tue Nov 17 30 slots
    Wed Nov 18 30 slots
    Thu Nov 19 30 slots
    Fri Nov 20 30 slots
  • Slg Hospitals By Ajeenkya Dy P...
    Nizampet, Hyderabad
    ₹500
    ₹600
    Today 10 slots
    Sun, Nov 08 10 slots
    Mon, Nov 09 10 slots
    Tue, Nov 10 10 slots
    Wed, Nov 11 10 slots
    Thu, Nov 12 10 slots
    Fri, Nov 13 10 slots
    Sat, Nov 14 10 slots
    Sun, Nov 15 10 slots
    Mon, Nov 16 10 slots
    Tue, Nov 17 10 slots
    Wed, Nov 18 10 slots
    Thu, Nov 19 10 slots
    Fri, Nov 20 10 slots
    Today Nov 07 10 slots
    Sun Nov 08 10 slots
    Mon Nov 09 10 slots
    Tue Nov 10 10 slots
    Wed Nov 11 10 slots
    Thu Nov 12 10 slots
    Fri Nov 13 10 slots
    Sat Nov 14 10 slots
    Sun Nov 15 10 slots
    Mon Nov 16 10 slots
    Tue Nov 17 10 slots
    Wed Nov 18 10 slots
    Thu Nov 19 10 slots
    Fri Nov 20 10 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹500
    Today 16 slots
    Sun, Nov 08 52 slots
    Mon, Nov 09 52 slots
    Tue, Nov 10 52 slots
    Wed, Nov 11 52 slots
    Thu, Nov 12 52 slots
    Fri, Nov 13 52 slots
    Sat, Nov 14 52 slots
    Sun, Nov 15 52 slots
    Mon, Nov 16 52 slots
    Tue, Nov 17 52 slots
    Wed, Nov 18 52 slots
    Thu, Nov 19 52 slots
    Fri, Nov 20 52 slots
    Today Nov 07 16 slots
    Sun Nov 08 52 slots
    Mon Nov 09 52 slots
    Tue Nov 10 52 slots
    Wed Nov 11 52 slots
    Thu Nov 12 52 slots
    Fri Nov 13 52 slots
    Sat Nov 14 52 slots
    Sun Nov 15 52 slots
    Mon Nov 16 52 slots
    Tue Nov 17 52 slots
    Wed Nov 18 52 slots
    Thu Nov 19 52 slots
    Fri Nov 20 52 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹500
    Today 4 slots
    Sun, Nov 08 24 slots
    Mon, Nov 09 24 slots
    Tue, Nov 10 24 slots
    Wed, Nov 11 24 slots
    Thu, Nov 12 24 slots
    Fri, Nov 13 24 slots
    Sat, Nov 14 24 slots
    Sun, Nov 15 24 slots
    Mon, Nov 16 24 slots
    Tue, Nov 17 24 slots
    Wed, Nov 18 24 slots
    Thu, Nov 19 24 slots
    Fri, Nov 20 24 slots
    Today Nov 07 4 slots
    Sun Nov 08 24 slots
    Mon Nov 09 24 slots
    Tue Nov 10 24 slots
    Wed Nov 11 24 slots
    Thu Nov 12 24 slots
    Fri Nov 13 24 slots
    Sat Nov 14 24 slots
    Sun Nov 15 24 slots
    Mon Nov 16 24 slots
    Tue Nov 17 24 slots
    Wed Nov 18 24 slots
    Thu Nov 19 24 slots
    Fri Nov 20 24 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹500
    Today 8 slots
    Sun, Nov 08 32 slots
    Mon, Nov 09 32 slots
    Tue, Nov 10 32 slots
    Wed, Nov 11 32 slots
    Thu, Nov 12 32 slots
    Fri, Nov 13 32 slots
    Sat, Nov 14 32 slots
    Sun, Nov 15 32 slots
    Mon, Nov 16 32 slots
    Tue, Nov 17 32 slots
    Wed, Nov 18 32 slots
    Thu, Nov 19 32 slots
    Fri, Nov 20 32 slots
    Today Nov 07 8 slots
    Sun Nov 08 32 slots
    Mon Nov 09 32 slots
    Tue Nov 10 32 slots
    Wed Nov 11 32 slots
    Thu Nov 12 32 slots
    Fri Nov 13 32 slots
    Sat Nov 14 32 slots
    Sun Nov 15 32 slots
    Mon Nov 16 32 slots
    Tue Nov 17 32 slots
    Wed Nov 18 32 slots
    Thu Nov 19 32 slots
    Fri Nov 20 32 slots
  • 🎥 Video Consultation Only
    Hyderabad
    ₹200
    Today 0 slots
    Sun, Nov 08 20 slots
    Mon, Nov 09 20 slots
    Tue, Nov 10 20 slots
    Wed, Nov 11 20 slots
    Thu, Nov 12 20 slots
    Fri, Nov 13 20 slots
    Sat, Nov 14 20 slots
    Sun, Nov 15 20 slots
    Mon, Nov 16 20 slots
    Tue, Nov 17 20 slots
    Wed, Nov 18 20 slots
    Thu, Nov 19 20 slots
    Fri, Nov 20 20 slots
    Today Nov 07 0 slots
    Sun Nov 08 20 slots
    Mon Nov 09 20 slots
    Tue Nov 10 20 slots
    Wed Nov 11 20 slots
    Thu Nov 12 20 slots
    Fri Nov 13 20 slots
    Sat Nov 14 20 slots
    Sun Nov 15 20 slots
    Mon Nov 16 20 slots
    Tue Nov 17 20 slots
    Wed Nov 18 20 slots
    Thu Nov 19 20 slots
    Fri Nov 20 20 slots

Frequently Asked Questions

Do I need antibiotics for a common cold and cough?

No. The common cold is caused by viral infections, against which antibiotics are completely ineffective. Antibiotics are only prescribed by a physician if symptoms persist beyond 10–14 days with purulent discharge indicating secondary bacterial infection.

When does a cough indicate something more serious than a simple cold?

Consult a General Physician immediately if your cough produces blood-tinged phlegm, is accompanied by shortness of breath, wheezing, high fever (>101°F), sharp chest pain, or lasts longer than 3 weeks.

What is the consultation fee for cold and cough treatment in Hyderabad?

Consultations with verified General Physicians on NectarPlus Health in Hyderabad typically range between ₹300 – ₹500.

How can I relieve a persistent dry cough at home?

Stay well-hydrated with warm fluids, practice steam inhalation twice daily, use warm saline water gargles, consume honey with warm water, and take doctor-prescribed cough suppressants if nighttime coughing disrupts sleep.

Can pollution in Hyderabad worsen a simple viral cold?

Yes. Airborne pollutants (PM2.5 and PM10) irritate bronchial mucosa, prolonging airway hyperreactivity and transforming mild viral colds into stubborn post-viral coughs that persist for weeks.