Asthma is a chronic respiratory condition characterized by inflammation and narrowing of the airways, leading to symptoms such as wheezing, shortness of breath, chest tightness, and coughing.
Frequently Asked Questions
How is asthma severity assessed before building a care plan?
The assessment has three layers. (1) History: how often does the patient wheeze or cough? Does it wake them at night? How frequently are they using their rescue inhaler (salbutamol)? Using a rescue inhaler more than twice a week signals poorly controlled asthma. What are their known triggers — dust mites, pollen, pet dander, exercise, cold air, viral infections, smoke? (2) Physical exam: listen for wheeze (polyphonic = diffuse bronchospasm; monophonic = partial obstruction like foreign body) and use of accessory muscles. Check SpO2 — below 92% indicates severe exacerbation requiring immediate escalation. (3) Lung function: spirometry confirms diagnosis (FEV1/FVC <0.7 post-bronchodilator with >12% reversibility confirms asthma). Peak flow measurement tracks day-to-day variability — a drop of >20% below personal best is an early warning sign. Allergy skin-prick testing or IgE panel identifies specific triggers. In India, affordable spirometry is available at government medical college respiratory departments (₹200–500) and private pulmonology clinics.
More than half my patients use their inhalers wrong — what actually works for teaching technique?
This is one of the most impactful nursing interventions in asthma — studies show >60% of patients use MDIs incorrectly, making their medication largely ineffective. The teach-back method is the gold standard: nurse demonstrates, patient demonstrates back, nurse corrects. For a metered-dose inhaler (MDI): (1) shake well before use; (2) exhale fully away from inhaler; (3) seal lips around mouthpiece; (4) press canister and begin slow deep inhale simultaneously (the single most common error is pressing first then inhaling, which delivers only 10% to the lungs); (5) hold breath 10 seconds; (6) wait 30–60 seconds before second puff. Always recommend a spacer (₹150–400 at pharmacies) — spacers increase drug deposition in the lungs by 40–50% and are particularly important for children and elderly patients. For dry-powder inhalers (Rotacap, Rotahaler), inhale forcefully — different from MDI. Verify at every follow-up visit. A patient who has been on the same inhaler for years may have developed bad habits they're unaware of.
What should an asthma action plan actually say — what goes in it?
The most effective asthma action plans use a traffic-light (green/yellow/red) system tied to symptoms or peak flow readings. Green zone (peak flow 80–100% of personal best): continue regular medications, no limitations on activity. Yellow zone (peak flow 50–79%): asthma is getting worse. Start oral prednisolone if prescribed, increase rescue inhaler to 4–8 puffs every 20 minutes for 3 doses, call doctor within 24 hours. Red zone (peak flow <50%): medical emergency. Use rescue inhaler immediately, take oral prednisolone if available, go to hospital or call 108 ambulance if no improvement after 15 minutes. The plan must include: patient's personal best peak flow (measured when stable), list of identified triggers, emergency contact number, nearest hospital or emergency department. In India, GINA's free action plan template in Hindi and other regional languages is available from your pulmonologist or download from ginaasthma.org. The plan should be written down, not just discussed — discharge recall of verbal-only instructions is less than 30%.
What are the most effective environmental changes asthma patients can make at home?
Prioritise by evidence. The highest-yield changes: (1) Dust mite reduction — allergen-proof covers for mattress, pillow, and duvet (₹500–1,500); wash bedding weekly at 60°C; remove carpets from bedroom if feasible. Dust mites are the most common asthma trigger in India across all age groups. (2) Remove or reduce pet dander exposure — if allergic, keep pets outside the bedroom; wash hands after handling; HEPA air purifier (₹4,000–15,000) reduces airborne dander by 60–80%. (3) Eliminate indoor smoking completely — even 'smoking on the balcony' leaves residue on clothes that re-enters the room. Secondhand smoke is a major trigger for childhood asthma. (4) Cockroach allergen management — seal food containers, fix leaking taps, use bait traps rather than sprays (aerosols themselves trigger asthma); professional pest control if infestation is heavy. (5) Reduce damp and mould — fix water leaks, use exhaust fans in bathrooms, avoid drying clothes indoors. Mould spores are a significant trigger particularly in monsoon months. On AQI-alert days (available on the Safar India app for major cities), keep windows closed and use an air purifier if available.
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