Q: My grandson frequently has a runny nose, and the color of the nasal mucus is sometimes green to yellowish. I’ve heard that this is a sign of a bacterial infection and perhaps the need for ...

Dehydration from exercise or illness could cause your dog to have a dry nose. A dry nose could also be caused by a fever from an infected tooth or ear. If your dog is also experiencing hair loss, ...

Your snot provides crucial insights into your health, acting as an early warning system. Clear mucus indicates healthy sinuses, while yellow or green often signals infection. Red or pink suggests ...

Mucus — less elegantly known as snot — may be annoying when you're sick, or when it feels like you have too much of it, but your body needs it to stay healthy. Technically, mucus is a sticky, ...