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 ...

There are many potential causes for coughing up blood. These can range from minor to severe and may include noesbleeds, lung conditions, and blood vessel problems. The medical term for coughing up ...

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 ...

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 ...

Your body produces mucus naturally to protect your respiratory system, and under normal circumstances, this protective fluid remains clear and relatively thin. However, when mucus suddenly changes to ...

Let’s talk about the topic everyone experiences but no one wants to admit: mucus in your poop. It sounds alarming, feels weird, and definitely isn’t the highlight of your day, but it’s way more common ...

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 ...

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 ...

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 ...