Medically reviewed by Mary Choy, PharmDThick mucus in the throat, also known as catarrh, is a symptom that often results from infection in the nasal passages, sinuses, lower airways, or lungs. It can ...

As many Brits are falling ill with seasonal illnesses a doctor revealed how to tell what is causing your cough ...

The sticky, slimy goo plays an essential role in fighting off infections, shaping the gut microbiome and more.

Fever can be a symptom of pneumonia, but it is possible to have pneumonia with no fever. Learn more about how it’s diagnosed.

Besides a cough, signs of an upper respiratory infection include fever, a hoarse voice, fatigue or lack of energy, red eyes, ...

The most common symptoms of a chest infection include a persistent cough, wheezing, breathlessness, a high temperature, ...

While children and older adults can have a few complications from getting RSV, a lot of symptoms can be managed with at-home ...

The cold and flu are respiratory illnesses caused by different viruses. Some cold and flu symptoms may overlap, but there are ...

If that cough gets worse, causes trouble breathing, chest pain, losing weight without trying, or if you’re coughing up blood ...

Young children are increasingly being infected with bacteria that can lead to the illness known as walking pneumonia. A ...

A cough is a common symptom that can be caused by a number of illnesses and conditions - but in some instances you might need ...

As people take to TikTok to rave about the lung-health benefits of mullein, a medical herbalist explains what it actually does.