NHS: Asthma

Asthma is a common long-term condition that can cause coughing, wheezing, chest tightness and breathlessness.

The severity of these symptoms varies from person to person. Asthma can be controlled well in most people most of the time, although some people may have more persistent problems.

Occasionally, asthma symptoms can get gradually or suddenly worse. This is known as an "asthma attack", although doctors sometimes use the term "exacerbation".

Severe attacks may require hospital treatment and can be life threatening, although this is unusual ... read more

NHS: Tuberculosis

Tuberculosis (TB) is a bacterial infection spread through inhaling tiny droplets from the coughs or sneezes of an infected person.

It is a serious condition but can be cured with proper treatment.

TB mainly affects the lungs. However, it can affect any part of the body, including the bones and nervous system ... read more

NHS: Pleurisy

Pleurisy is a condition in which the layer covering the lungs, called the pleura, becomes inflamed. It is sometimes called pleuritis.

The most common symptom of pleurisy is a sharp chest pain that feels worse with breathing.

Other symptoms include shortness of breath and a dry cough ... read more