Hives can be dark red, pink, or white bumps or raised areas. They may appear for no apparent reason. Here's why they happen and what to do.

From stress to allergic reactions, these are some common reasons you could be breaking out in hives.

WebMD explains the hives you get with cholinergic urticaria from heat, sweat, or exercise. Learn more about causes, treatments, and prevention tips for them.

Within 10 minutes of Googling “why do I keep breaking out in hives,” I had myself convinced I was suffering from some rare disease.

'Finance makes me break out in hives': I inherited $240K from my parents. Do I pay off my $258K mortgage and give up my job?

Allergies, environmental factors, illnesses like lupus or thyroid disorders, exercise, and stress could be why you are breaking out in hives.

For Texas commercial beekeeper John Talbert, the mysterious malady that is killing off bees means he's keeping his hives close to home.

What are hives? Here's everything you need to know about the skin condition, from pictures of hives to symptoms and treatments.

One-fifth of us get hives at some point, and most of us may need only antihistamines to quell the itching, a study suggests.

Some dogs just gotta scratch. But if your favorite canine is scratching more frequently or vigorously than normal, it’s time for a closer look. If hives are the reason your dog is so itchy, learning ...