What to Know About Asthma and CDC Guidance

Asthma is a long-term lung condition in which the airways can become inflamed and narrow. Symptoms may improve between flare-ups, but ongoing management still matters.

During an asthma flare, tightening muscles, swollen airway lining, and mucus reduce the space available for air to move. People with asthma may present with wheezing, coughing, chest tightness, or shortness of breath. Symptoms can be mild at one time and much more severe at another.

Triggers differ between people and may include respiratory infections, tobacco smoke, dust mites, mould, air pollution, exercise, strong emotions, or workplace exposures. Noticing where and when symptoms occur can help identify a pattern.

Take prescribed controller and quick-relief medicines exactly as directed, and have a clinician or pharmacist check your inhaler technique. A written asthma action plan should explain your usual treatment, early warning signs, what to do when symptoms worsen, and when to get urgent help.

Track symptoms, nighttime waking, activity limits, and quick-relief inhaler use. Reduce triggers that clearly affect you, keep smoke away from your home and car, and bring your medicines and symptom notes to reviews. Do not stop or change prescribed treatment without discussing it with your clinician.

Arrange prompt medical review if symptoms are becoming more frequent, wake you at night, restrict normal activity, or require quick-relief medicine more often than your plan allows. These changes can mean asthma control or treatment needs reassessment.

Seek emergency help immediately for severe breathlessness, difficulty speaking or walking because of breathing, marked pulling in around the ribs or neck, blue or grey lips or fingernails, confusion, drowsiness, or symptoms that do not improve after following the emergency steps in the asthma action plan.

Ask which medicine is for daily control and which is for rapid relief, how to recognise worsening asthma, and whether a spacer would improve delivery from your inhaler. You can also request a demonstration of technique and a written action plan for home, school, travel, or work.