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Asthma

Asthma, a chronic lung disease, causes airway inflammation and narrowing, resulting in wheezing, coughing, and shortness of breath, triggered by allergens, irritants, infections, or stress.

Pulmonary
Asthma is a chronic respiratory disease characterized by inflammation and narrowing of the airways in the lungs, leading to recurring episodes of wheezing, coughing, chest tightness, and shortness of breath. These symptoms can range from mild to severe and may be triggered by various factors. Causes: The exact cause of asthma is not fully understood, but it is believed to be a combination of genetic and environmental factors. Common triggers that can worsen asthma symptoms include:
  • Allergens: Pollen, dust mites, pet dander, mold spores, cockroach droppings.
  • Irritants: Smoke (tobacco, wood), air pollution, chemical fumes, strong odors (perfumes, cleaning products).
  • Respiratory infections: Viral infections like colds and the flu.
  • Exercise: Especially in cold, dry air.
  • Cold air.
  • Emotional stress.
  • Certain medications: Such as aspirin and beta-blockers.
  • Gastroesophageal reflux disease (GERD).
  Symptoms: Asthma symptoms can vary in frequency and severity from person to person. Common symptoms include:
  • Wheezing: A whistling or squeaky sound when breathing, especially when exhaling.
  • Coughing: Often worse at night or early in the morning.
  • Shortness of breath (dyspnea).
  • Chest tightness: A feeling of pressure or squeezing in the chest.
  • Rapid breathing.
  • Use of accessory muscles for breathing (e.g., neck and chest muscles).
  • Difficulty speaking in full sentences.
  • Pale, sweaty skin.
  • Anxiety or panic.
Asthma symptoms can occur in episodes called asthma attacks or exacerbations, where symptoms suddenly worsen.   Diagnosis: Asthma is usually diagnosed based on:
  • Medical history: Your doctor will ask about your symptoms, triggers, and family history of asthma or allergies.
  • Physical exam: Listening to your lungs with a stethoscope.
  • Spirometry: A lung function test that measures how much air you can inhale and exhale and how quickly you can exhale. This test is often done before and after using a bronchodilator.
  • Peak expiratory flow (PEF) monitoring: Measuring how quickly you can forcefully exhale air using a peak flow meter. This can help track asthma control.
  • Allergy testing: Skin prick tests or blood tests to identify potential allergic triggers.
  • Bronchial provocation tests: In some cases, you may inhale substances known to trigger asthma to see if your airways narrow.
  • Chest X-ray: May be done to rule out other conditions.
  Treatment: Asthma management aims to control symptoms and prevent asthma attacks. Treatment typically involves:
  • Long-term control medications (preventers): Taken daily to reduce airway inflammation and prevent symptoms. These include:
    • Inhaled corticosteroids: The most common and effective long-term control medications.
    • Long-acting beta-agonists (LABAs): Help to relax airway muscles and are usually used in combination with inhaled corticosteroids.
    • Leukotriene modifiers: Oral medications that help block the effects of leukotrienes, substances that contribute to inflammation.
    • Mast cell stabilizers: Inhaled medications that help prevent the release of inflammatory substances.
    • Theophylline: An oral bronchodilator used less commonly now.
    • Biologics: For severe allergic asthma, injectable medications that target specific immune proteins.
  • Quick-relief medications (rescue medications): Used to quickly relieve acute asthma symptoms. These include:
    • Short-acting beta-agonists (SABAs): Inhaled bronchodilators that work quickly to relax airway muscles (e.g., albuterol).
    • Anticholinergics: Inhaled medications that can also help relax airway muscles.
    • Oral corticosteroids: May be used for short courses during severe asthma attacks.
    • Asthma action plan: A written plan developed with your doctor that outlines your daily management, how to recognize worsening symptoms, and what steps to take during an asthma attack.
    • Trigger avoidance: Identifying and avoiding your specific asthma triggers is crucial.
    • Regular monitoring: Regular check-ups with your doctor to assess asthma control and adjust treatment as needed.
    • Proper inhaler technique: Using inhalers correctly is essential for the medication to be effective.
  Prevention: While asthma cannot always be prevented, especially if there is a family history, certain measures can help reduce the risk of developing it or manage symptoms:
  • Avoiding known triggers.
  • Managing allergies.
  • Avoiding tobacco smoke.
  • Getting vaccinated against respiratory infections.
  • Maintaining a healthy weight.
Asthma is a manageable condition with proper diagnosis and treatment. It's essential to work closely with a healthcare professional to develop an individualized asthma action plan and learn how to effectively control your symptoms and prevent asthma attacks. Struggling with managing your asthma? Click here to to schedule an appointment.

Related Medications

Commonly prescribed medications for this condition

AlbuterolBenralizumabBudesonideCarvedilolDupilumabFluticasoneFormoterolIndacaterolMepolizumabMetoprololMontelukastOmalizumabPrednisoneSalmeterolTimolol (Ophthalmic)Vilanterol