Respiratory infections Archive

Tiny air sacs can stretch, rupture, and form bubbles inside the lung. Learn how this damage develops and how smoking can contribute.

Small spots on lung imaging can stem from old infections, irritants, inflammation, or cancer. Learn how doctors judge risk and decide on follow‑up.

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

After quitting smoking, a nagging cough can feel alarming. Discover what's happening in your lungs and when it's time to call a doctor.

A nagging cough can have many hidden causes. Learn which conditions doctors look for and why a chest x‑ray may be important.

Stabbing rib pain and throat tightness can follow an asthma flare, but they may also hint at other conditions that deserve fast medical attention.

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

Thunderstorm asthma is an attack that starts or worsens after a thunderstorm. It can occur in anyone with asthma, but it most often affects people with seasonal allergies. There are several risk factors that make experiencing this phenomenon more likely, so it's important to know what these are.

A 2026 study found that low vitamin D levels may increase the risk of hospitalization for respiratory infections (such as colds, flu, pneumonia, and bronchitis) by as much as 33%. Sunlight, foods containing vitamin D, and supplements help maintain healthy vitamin D levels.