![](https://activebeat.com/wp-content/uploads/2015/01/shutterstock_786017698-400x267.jpg)
![](https://activebeat.com/wp-content/uploads/2021/03/cropped-fav-1-150x150.png)
What Causes Hives and How Dangerous Can They Be? A Nurse Practitioner Explains
Every year, about 20% of Americans will get hives – those itchy, red bumps or welts that can appear after a day in the garden, taking medication, being bitten by a bug or for no apparent reason at all. Patricia A. MacCulloch is a nurse practitioner and professor of nursing who teaches about hives, among […]
4 min read