Respiratory health Archive

Recurring soreness and tiny cracks at the corners of your mouth can be frustrating. Explore what may be behind the irritation and when it deserves attention.

When you have a cold, it's normal to feel mucus sitting at the back of your throat, and to have the urge to clear it. Typically this sensation lasts just a few days, but what happens if it lingers for weeks or months?

Asthma, allergies and pneumonia are more connected than you might think. See how airway inflammation and certain medications can affect your risk.

A daily cough in someone who has used chewing tobacco for years raises concern about "smoker's cough" and other health problems.

Sudden wheezing with exertion can hint at exercise‑linked airway problems or other conditions. Learn how doctors pin down the cause.

Inhaled corticosteroids mostly act in the lungs, but some enter the bloodstream. Learn when they might nudge glucose higher and how doctors adjust care.

Learn how certain asthma medication affect your choices for the flu shot.

Last year's spring allergies were miserable. Learn when to begin antihistamines and nasal sprays so symptoms are blunted before pollen peaks.

Sudden bursts of sneezing in bright light can seem like an odd "sun allergy." Explore what's happening in the nerves that link your eyes and nose.

A stubborn "lump in the throat" feeling can stem from postnasal drip, reflux, irritation, or even a small pouch in the esophagus. Explore possible causes.