Reactive Airway Disease (RAD) is not a formal medical diagnosis, but a term often used to describe people who have airway hyperreactivity—bronchial tubes that respond excessively to irritants, allergens, or infections.
It is most commonly used for individuals who wheeze or experience bronchial spasms but have not yet been formally diagnosed with asthma. RAD can occur at any age, but it is often seen in children following respiratory infections.
The condition involves inflammation and narrowing of the airways, which makes breathing more difficult and can trigger asthma-like symptoms.
Wheezing
Coughing, often worse at night or early morning
Shortness of breath or difficulty breathing
Excess mucus in the airways
Swelling of the bronchial mucous membranes
Hyperresponsive bronchial tubes, reacting strongly to irritants or allergens
Frequent respiratory discomfort that may interfere with daily activities
Recurrent coughing or wheezing episodes, especially with infections or irritants
Sleep disturbances due to nighttime symptoms
Increased risk of developing asthma if airway hyperreactivity persists
Reduced lung function over time in severe or untreated cases
1. Avoidance and Triggers Management:
Avoid exposure to smoke, dust, allergens, or strong odors
Prevent respiratory infections through hygiene and vaccinations
2. Medications (similar to asthma management):
Short-acting bronchodilators (e.g., albuterol) for immediate relief of wheezing or breathing difficulty
Inhaled corticosteroids to reduce airway inflammation for persistent symptoms
Leukotriene modifiers or other anti-inflammatory medications in some cases
3. Monitoring and Follow-Up:
Regular check-ups to assess lung function
Track symptoms to determine if RAD progresses to asthma
Education on proper inhaler technique and symptom management
Early recognition and management of Reactive Airway Disease can reduce symptoms, prevent complications, and improve overall lung health.
Viral Respiratory Infections (VRIs) include the common cold, influenza (flu), and bronchiolitis. They affect the lungs and airways (breathing passages), causing inflammation and irritation.
Respiratory tract infections can involve:
Sinuses (sinusitis)
Throat (pharyngitis or tonsillitis)
Airways (bronchitis)
Lungs (pneumonia)
Viruses responsible for VRIs include:
Rhinoviruses – common cold
Influenza viruses – flu
Respiratory syncytial virus (RSV) – especially in children
Parainfluenza viruses
Adenoviruses
VRIs are highly contagious and are commonly spread through airborne droplets, direct contact, or touching contaminated surfaces.
Symptoms vary depending on severity but often include:
Cough (sometimes producing mucus or phlegm)
Sneezing
Stuffy or runny nose
Sore throat
Headaches
Muscle aches and fatigue
Breathlessness or wheezing
Chest tightness
Fever or high temperature
General feeling of being unwell
Short-term discomfort and disruption in daily life
Exacerbation of chronic conditions like asthma or COPD
Risk of secondary bacterial infections (e.g., sinusitis, pneumonia)
In severe cases, especially in young children, elderly, or immunocompromised, VRIs can lead to hospitalization or respiratory failure
1. Supportive Care:
Rest and adequate hydration
Use of humidifiers or warm showers to relieve congestion
Over-the-counter medications for fever, pain, or congestion
2. Symptom Relief:
Cough suppressants or expectorants
Nasal decongestants or saline sprays
Pain relievers like acetaminophen or ibuprofen
3. Antiviral Medications:
For influenza, antiviral drugs may reduce severity if started early
No antivirals are usually effective for common colds
4. Prevention:
Frequent handwashing
Avoid close contact with infected individuals
Vaccinations, e.g., annual flu shot
Covering mouth and nose when coughing or sneezing
Restrictive lung disease refers to a group of respiratory conditions that limit the lungs’ ability to fully expand with air, making breathing difficult.
In restrictive lung disease, the lungs cannot hold as much air as they normally would. This may be due to:
Stiffening of lung tissue (pulmonary fibrosis, scarring)
Chest wall problems (kyphosis, scoliosis)
Muscle or nerve disorders affecting the respiratory muscles
Some forms of restrictive lung disease are progressive and worsen over time, while others can be reversible if the underlying cause is treated.
Common symptoms include:
Shortness of breath, especially during exertion
Coughing, often dry
Wheezing
Chest pain or discomfort
Fatigue due to reduced oxygen exchange
Reduced exercise tolerance and daily activity limitations
Chronic fatigue due to inadequate oxygen supply
Increased risk of respiratory infections
Potential respiratory failure in severe or progressive cases
Psychological effects like anxiety or depression due to chronic breathing difficulty
1. Treating Underlying Causes:
Managing pulmonary fibrosis, sarcoidosis, or connective tissue diseases
Correcting chest wall deformities or neuromuscular disorders when possible
2. Medications:
Anti-inflammatory drugs (corticosteroids) to reduce lung inflammation
Immunosuppressive therapy for autoimmune causes
Bronchodilators to ease breathing in some cases
3. Supportive Therapies:
Oxygen therapy for low oxygen levels
Pulmonary rehabilitation (breathing exercises, physical conditioning)
Vaccinations to prevent respiratory infections
4. Lifestyle and Self-Care:
Avoid smoking and exposure to lung irritants
Maintain a healthy weight and balanced diet
Practice paced breathing techniques to improve lung efficiency
With early diagnosis and proper management, symptoms can be alleviated, and progression of restrictive lung disease may be slowed, improving quality of life.
Shortness of breath, or dyspnea, is the sensation of difficulty breathing or feeling unable to get enough air. It can result from heart or lung conditions, since both systems are essential for transporting oxygen to tissues and removing carbon dioxide.
Average adult at rest: ~14 breaths per minute.
Hyperventilation: excessively rapid breathing.
Causes may involve the lungs, airways, heart, or blood vessels.
Difficulty catching your breath
Noisy breathing
Rapid, shallow breaths
Increased pulse rate
Wheezing
Chest pain
Pale or bluish skin, especially around lips
Cold, clammy skin
Using shoulder and upper chest muscles to breathe
Anxiety or panic feelings
Associated symptoms may include:
Chest pain, pain with inspiration (pleurisy)
Fatigue, dizziness, fainting
Cough or bloody sputum
Neck pain or chest injury
Reduced oxygen delivery to tissues leading to fatigue, confusion, or fainting
Increased strain on the heart (can worsen heart failure or angina)
Respiratory failure in severe cases
Secondary anxiety or panic disorders from chronic dyspnea
1. Addressing Underlying Cause
Heart-related issues: medications for heart failure, arrhythmias, or coronary artery disease
Lung-related issues: inhalers for asthma, oxygen therapy for COPD, antibiotics for pneumonia
Blood-related or systemic causes: treating anemia or infections
2. Symptom Relief
Oxygen therapy in cases of low oxygen saturation
Pulmonary rehabilitation for chronic lung disease
Breathing exercises and techniques like pursed-lip or diaphragmatic breathing
3. Lifestyle & Supportive Measures
Avoid smoking or pollutants
Maintain healthy weight
Manage anxiety with relaxation techniques or counseling
Stay physically active within tolerance limits
Whooping cough is a highly contagious respiratory tract infection caused by the bacterium Bordetella pertussis.
It is most severe in children, especially those too young to be fully vaccinated.
Teens and adults can also get pertussis if immunity from previous vaccination or infection has waned.
Before vaccines, pertussis was considered primarily a childhood disease.
Deaths are rare, mostly occurring in infants.
Vaccination is essential, particularly for pregnant women and those in close contact with infants, to prevent infection.
Whooping cough progresses through stages:
Catarrhal Stage (1–2 weeks)
Runny nose
Nasal congestion
Red, watery eyes
Mild fever
Occasional cough
Paroxysmal Stage (1–6 weeks)
Severe coughing fits (paroxysms)
High-pitched "whoop" sound during intake of breath
Vomiting after coughing
Red or blue face
Extreme fatigue
Convalescent Stage (weeks to months)
Gradual recovery
Coughing fits become less frequent and less severe
Antibiotics: Azithromycin or clarithromycin to treat infection and reduce transmission.
Supportive Care:
Maintain hydration
Use a humidifier to ease coughing
Rest and nutrition
Prevention:
Vaccination (DTaP for children, Tdap for adolescents and adults)
Timely booster doses