The Asthma Guide
Understanding asthma, its triggers, and the modern treatment landscape — from the allergists at AllergyCenter.
Asthma affects more than 25 million Americans, and the way it gets diagnosed and treated has changed significantly over the past decade. This guide breaks down what patients actually need to know — symptoms, triggers, testing, inhalers, biologics, and how to know when your asthma isn't as controlled as it should be.
Articles in this guide
The Basics
Asthma Symptoms: Coughing, Wheezing, Chest Tightness, and Shortness of Breath
Asthma symptoms can look different from person to person — coughing, wheezing, chest tightness, shortness of breath, nighttime symptoms, and exercise-related symptoms. Learn what they feel like, why they happen, and the signs your asthma may not be well controlled.
Read articleThe Basics
Common Asthma Triggers: Allergies, Smoke, Exercise, Weather, and Stress
Asthma triggers are things that can cause asthma symptoms to start or worsen — pollen, pets, dust mites, mold, smoke, exercise, viral infections, cold air, heat, stress, and food allergens in some people. This guide helps you identify your personal triggers and reduce exposure.
Read articleDiagnosis
How Is Asthma Diagnosed?
Asthma diagnosis combines symptom history, trigger patterns, physical exam, lung function testing, and response to medication. This guide explains spirometry, FEV1, albuterol reversibility, exercise and methacholine challenges, FeNO testing, and how children get diagnosed.
Read articleTreatment
Biologics for Asthma: What Patients Should Know
Biologics are targeted injectable medications used for moderate to severe asthma that's not controlled by inhalers. This guide covers what biologics are, who they're for, the different types (Xolair, Nucala, Cinqair, Fasenra, Dupixent, Tezspire, Exdensur), and how providers choose the right one.
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