This information is general only and does not replace advice from your GP or healthcare professional. 1. What is croup? Croup is a common childhood condition that causes swelling around the voice box (larynx), windpipe (trachea), and upper airway. It typically results in a barking cough, hoarse voice, and noisy breathing (stridor), especially at night.

This information is general only and does not replace advice from your GP or healthcare professional. 1. What is preschool wheeze? Preschool wheeze refers to episodes of wheezing (a whistling sound when breathing) in children under 5 years old. It is often triggered by viral infections, allergies, or irritants, and may be associated with cough,

This information is general only and does not replace advice from your GP or healthcare professional. 1. What is pneumonia? Pneumonia is an infection of the lungs that causes inflammation in the air sacs (alveoli), which may fill with fluid or pus. It can be caused by bacteria, viruses, or, less commonly, fungi, and can

This information is general only and does not replace advice from your GP or healthcare professional. 1. What is the flu? The flu (influenza) is a contagious viral infection that affects the nose, throat, and sometimes the lungs. It usually causes sudden onset of fever, body aches, fatigue, and respiratory symptoms. It can be more

This information is general only and does not replace advice from your GP or healthcare professional. 1. What is a common cold? A common cold is a mild viral infection of the upper respiratory tract, including the nose and throat. It is caused by viruses such as rhinoviruses and usually resolves within 7–10 days. 2.

This information is general only and does not replace advice from your GP or healthcare professional. 1. What is acute bronchitis? Acute bronchitis is a short-term inflammation of the large airways (bronchi) in the lungs. It usually develops after a viral cold or flu and causes a persistent cough, mucus production, and chest irritation. 2.