Parents across the U.S. are introducing peanut products to their infants earlier than ever, following guidelines that the National Institute of Allergy and Infectious Diseases (NIAID) first issued in ...

With seasonal changes just around the corner, you may have noticed you suddenly have lots of red, dry patches of skin, or wake up looking puffier than usual. That's your irritated complexion ...

True IgE-mediated local anesthetic hypersensitivity is <1% of reported reactions, so risk reduction should prioritize preservative-free amide selection, minimal effective dosing, and strict avoidance ...

Many common plants can cause hives or other allergic reactions. These plants usually have distinct features that you can use to avoid them. Share on Pinterest Poison ivy vines like this one are one of ...

Skin reactions can be alarming, especially when they appear suddenly. Many people struggle to tell the difference between hives and a rash, but knowing the cause is the first step toward relief. Black ...

Ah, summer. Lots of us look forward to spending time outdoors when the weather is nice and the sunlight stretches well into the evening. But all that time outdoors can put you at risk for a bevy of ...

Learn more about joint pain related to eating seafood, and what research says about seafood allergies and conditions such as mast cell activation syndrome (MCAS).

Add Yahoo as a preferred source to see more of our stories on Google. "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Spotting new bumps on your body can ...

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 ...

A new study led by investigators at National Jewish Health and published in Annals of Allergy, Asthma & Immunology shows that ...

Unlike allergic hives, chronic spontaneous urticaria (CSU) stems from immune system dysregulation and can persist for months or years, requiring ongoing management. Patients should understand that CSU ...