Hives are little bumps caused by an immune system reaction and can be short-term or chronic, and typically resolve on their own. Relief can be found from medications, anti-itch products, and at-home ...

Hives aren't usually cause for serious concern, but it can certainly be unsettling to notice the red rash spreading across your skin. If you're wondering what you can do to relieve this itchy skin ...

Physical urticaria is a skin condition in which hives (urticaria) develop from direct contact with certain physical elements. Unlike contact or allergy-related hives, the stimuli that trigger physical ...

Vibratory urticaria is a rare condition that causes allergic-like skin reactions after exposure to certain types of vibration, stretching, or friction. Treatment involves trigger avoidance and ...

You’ve tossed your favorite perfumes, switched to fragrance-free detergents, and cut out everything from latex to food dye. And yet, it’s still not enough to prevent the continual flare-ups of red, ...

Chronic spontaneous urticaria (CSU) is a type of rash that persists for over 6 weeks without a clear cause. It involves an autoimmune response leading to itching and swelling. Doctors classify ...

— meaning the cause is unknown — or it could be prompted by a variety of factors that combine and make hives linger. Unlike acute hives, a condition that lasts for short periods and tends to be ...

You wake up with red welts on your arms. By evening, they’ve crept across your stomach, itching and burning like you’ve rolled in poison ivy. A few days later, they’re back again. When this cycle goes ...

Urticaria multiforme is a skin reaction that causes itchy, ring-shaped welts with bruise-like centers. Although the rash can look alarming, it typically resolves on its own without leaving scars. Also ...