In a healthy body, mast cells (the “lookout” cells of the immune system) only release histamine when they detect a foreign ...

There are more reasons than ever for people to be stressed out right now. Unfortunately for some, that increased stress can present physically. Those suffering from higher-than-normal stress levels ...

Add Yahoo as a preferred source to see more of our stories on Google. Hives are a term used to describe a medical condition known as urticaria, a skin disorder that occurs when the body’s immune ...

The postpartum period is a time for recovery and healing. When you are busy juggling healing, establishing breastfeeding, and ...

Doctors call it "urticaria," but everyone else calls it "hives." We're talking about the incredibly itchy, swollen rash that can suddenly show up on skin, without warning, only to disappear and show ...

Hives are a common symptom of COVID-19 that can occur during the day or night. Hives only at night might be from something you’re coming into contact with in the evenings. COVID-19 can cause hives ...

Both bug bites and hives can cause red, itchy bumps on your skin. While it can be difficult to tell them apart, learning key features and characteristics of each can help. Hives and bug bites are ...