Mucus isn't exactly something people give much thought to — until they're sick and dealing with a constantly runny nose. But mucus is actually an important part of a healthy immune system, according ...

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus that causes the coronavirus disease (COVID-19), spreads through respiratory droplets and aerosols expelled when infected ...

If you’ve noticed mucus or blood in your dog’s stool or blood in your dog’s urine, you may be wondering if it’s a cause for concern. Bloody diarrhea can be especially worrying. While these are ...

Bronchitis may cause you to cough up blood, known as hemoptysis. Bronchitis is inflammation of the bronchial tubes, or airways, that usually happens due to an infection or breathing in irritants like ...

Bloody boogers form when blood mixes with mucus in the nose and the mucus dries. Various causes may include nose-picking or ruptured vessels. The nose lining is delicate and rich in blood vessels, and ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Blood in a toddler’s stool often results from constipation, but it can indicate a more serious issue, such as gastrointestinal bleeding. A doctor can advise on whether blood in a toddler’s stool needs ...

Mucus is a natural substance that bodies produce to help get rid of potentially harmful microbes. While some mucus production in the body is healthy, too much can hurt. For example, Mayo Clinic notes ...

Healthy phlegm is usually clear and runny, but many different health conditions can change the consistency or color. Phlegm, also called sputum, is mucus produced by your lungs that helps protect your ...

David King does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Congestion from cold and flu is the buildup of mucus in your nose, sinuses, or chest that causes a feeling of fullness or blockage. When you're dealing with congestion from a cold or the flu, you want ...

Mucus plug identification and its impact on patient burden is a relatively new aspect of airway disease clinical management. Lugogo began the presentation with a discussion of a patient case to ...