Throwing up mucus can occur when mucus from your stomach lining or mucus that you swallow appears in your vomit. Mucus from postnasal drip and coughing can also trigger vomiting, especially in ...

When you're sick you'll often produce more phlegm, and might notice it's thicker or a different color: white, green, yellow or maybe even brown. Subscribe to our newsletter for the latest sci-tech ...