Respiratory health conditions
![Cold icon](https://i-cf65.ch-static.com/content/dam/cf-consumer-healthcare/health-professionals/en_SA/icons/icon_global_nose_drip_Icon_jpeg_750px.png?auto=format)
Colds
The common cold is caused by numerous viruses from different families.1 Symptoms result in substantial discomfort for sufferers.2
![Flu Icon](https://i-cf65.ch-static.com/content/dam/cf-consumer-healthcare/health-professionals/en_SA/icons/GSK_GEP_ig-otrivin-relief-of-nasal-symptoms-750px.png?auto=format)
Flu
Flu is primarily caused by one of two categories of virus: Influenza A or B. These are the most common.1
The symptoms vary from person to person, and are very similar to the symptoms of the common cold.
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Headache and Muscle Ache
Headaches and muscle aches are caused by the body’s immune response to a viral infection.10
They are commonly reported symptoms of a viral flu infection, sometimes causing severe discomfort.7,9
![Fever and chills icon](https://i-cf65.ch-static.com/content/dam/cf-consumer-healthcare/health-professionals/en_SA/icons/ig-conditions-fever-750px.png?auto=format)
Fever and Chills
When the body is suffering from fever, it is the body’s physiological response to a viral or bacterial infection,11 This can help to differentiate an influenza episode from the common cold.3,4,12
For an adult, a fever may be uncomfortable, but usually isn't a cause for concern, unless it reaches 103° F (39.4° C) or higher.5
![Sore throat icon](https://i-cf65.ch-static.com/content/dam/cf-consumer-healthcare/health-professionals/en_SA/icons/ig-conditions-sore%20throat-750x421.png?auto=format)
Sore Throat
A sore throat, also known as pharyngitis, is a common symptom of both the cold and the flu.8,10
Over 200 viruses can cause upper respiratory tract infections in humans.6
Many symptoms are displayed as a result from viral infection of the upper respiratory tract including sore throat.3
![Allergy icon](https://i-cf65.ch-static.com/content/dam/cf-consumer-healthcare/health-professionals/en_SA/icons/ig-conditions-sneeze-signs-symptoms-750px1.png?auto=format)
Allergic Rhinitis
Allergic rhinitis is a global health problem, affecting up to 20% of people globally.1 Find out more about causes and mechanisms of allergies as well as prevalence.
![Cough icon](https://i-cf65.ch-static.com/content/dam/cf-consumer-healthcare/health-professionals/en_SA/icons/ig-conditions-cough-750x421.png?auto=format)
Cough
Coughs are a physiological act of defence by the respiratory system. While cough during a cold can be mild to moderate, cough during the flu is often severe,8,9 and can have a significant impact on daily life.2
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