
Asthma - Symptoms and causes - Mayo Clinic
Mar 8, 2025 · Asthma is a condition in which your airways narrow and swell and may produce extra mucus. This can make breathing difficult and trigger coughing, a whistling sound (wheezing) when …
Asthma: Types, Causes, Symptoms, Diagnosis & Treatment
Asthma triggers like allergies, cold, stress, smells or exercise cause your airways to tighten, swell and fill with mucus. Asthma is a condition that causes long-term (chronic) inflammation in your airways. The …
Asthma: Causes, Symptoms, and Treatment - WebMD
Mar 20, 2026 · Asthma, a persistent respiratory condition, narrows airways, causing breathlessness and difficulty breathing. Explore symptoms, causes, diagnosis, and treatment on WebMD.
Asthma - Wikipedia
Asthma is a common long-term inflammatory disease of the airways. It is characterized by variable and recurring symptoms and reduced lung function. Symptoms include episodes of wheezing, coughing, …
Asthma - What Is Asthma? | NHLBI, NIH
Apr 17, 2024 · Asthma is a chronic condition that inflames and narrows the airways in the lungs. Learn about asthma symptoms, attacks, causes, triggers, and treatments.
Asthma | Asthma | CDC
Asthma Asthma is a disease that affects breathing and the lungs. Asthma can be controlled with medications and avoiding triggers that cause an attack. View All
Asthma: Symptoms, Treatment, and More - Healthline
Jun 17, 2025 · Asthma is an inflammatory disease affecting the airways to the lungs, making breathing difficult and physical activities challenging. Common asthma symptoms include wheezing, coughing …
Asthma - World Health Organization (WHO)
Apr 28, 2026 · Asthma is a major noncommunicable disease (NCD), affecting both children and adults, and is the most common chronic disease among children. Inflammation and narrowing of the small …
Asthma Attack: Causes, Symptoms, How To Help | Red Cross
Asthma Attack What is Asthma? Asthma is a chronic illness in which certain substances or conditions, called triggers, cause airway inflammation and narrowing. This makes breathing difficult. The trigger …
2026 GINA Strategy Report - Global Initiative for Asthma - GINA
May 5, 2026 · Global Strategy for Asthma Management and Prevention The 2026 update of the Global Strategy for Asthma Management and Prevention incorporates new scientific information about …