The common cold is the most common type of respiratory infection, affecting millions of people each year.

The common cold is caused by a virus, typically a rhinovirus.

The common cold typically causes a runny nose, sore throat, and cough.

The common cold is typically treated with rest, fluids, and over-the-counter medications to relieve symptoms.

The flu is a type of respiratory infection caused by the influenza virus.

The flu typically causes fever, body aches, fatigue, and other symptoms.

The flu is typically treated with antiviral medications, rest, fluids, and over-the-counter medications to relieve symptoms.

Pneumonia is a type of respiratory infection that affects the lungs.

Pneumonia typically causes cough, fever, shortness of breath, and other symptoms.

Pneumonia is typically treated with antibiotics, rest, fluids, and over-the-counter medications to relieve symptoms.

Tuberculosis is a type of respiratory infection caused by the bacteria Mycobacterium tuberculosis.

Tuberculosis typically causes cough, fever, weight loss, and other symptoms.

Tuberculosis is typically treated with antibiotics, rest, fluids, and over-the-counter medications to relieve symptoms.

There are several ways to prevent respiratory infections, including washing your hands frequently, avoiding touching your face, and getting vaccinated.

You should see a doctor for a respiratory infection if your symptoms are severe, if your symptoms do not improve after a few days, or if you have a chronic health condition.