Types and Causes
of Cough

What is a cough?

A cough is a natural reflex that protects your lungs.¹ When we breathe in,
certain particles known as irritants (e.g. dust and dirt), enter our body
together with the air.² The body automatically responds by clearing away
these particles through coughing.³

Why and How do we cough?

Irritants stimulate the
nerves in your throat
and airways.³

The nerves carry a signal to
your brain³

The brain responds by sending a
signal to the chest and abdominal
muscles to take rapid and deep
breathe to expel the irritant.³

With the air flow at a speed
of close to 50 miles/hour (80
kilometers an hour),
coughing propels air and
particles out of your lungs
and throat.³

Good cough vs Bad cough –
How can you tell the difference?

An occasional cough is normal and healthy.³ However, if your cough is persistent or
is accompanied by other symptoms such as runny nose, acid reflux, shortness of
breath, chest pain and increased mucus production, it is most likely a sign of an
ongoing illness and needs medical attention.³

Types and Causes of Cough

What is a cough?

Why and How do we cough?

Irritants stimulate the nerves in your throat and airways.3

The nerves carry a signal to your brain3

The brain responds by sending a signal to the chest and abdominal muscles to take rapid and deep breathe to expel the irritant.3

With the air flow at a speed of close to 50 miles/hour (80 kilometers an hour), coughing propels air and particles out of your lungs and throat.3

Good cough vs Bad cough – How can you tell the difference?

22.45% of pilgrims reported that cough was the most frequent complaint during Hajj.4

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