But a cold typically only lasts a few days or weeks at most, while allergies persist. You may need an allergy test if you have symptoms of allergies, such as skin rashes, hives, sneezing, congestion, ...

Dermatitis herpetiformis is a red, incredibly itchy skin rash that occurs when you eat gluten. Since many people associate rashes with allergies, it's not a far stretch when people call dermatitis ...

Scratching promotes allergic inflammation and host defense via neurogenic mast cell activation. Science , 2025; 387 (6733) DOI: 10.1126/science.adn9390 Cite This Page : ...

If you love to scratch an itchy rash, good news! A new study reveals ... skin comes into contact with a substance that causes an allergic reaction, such as poison ivy or metals like nickel in ...

But during the session, Kennedy also shared his opinions on the state of the U.S. food system, blaming environmental damage for the increase in childhood allergies. “I know what a healthy kid ...

New research published in the journal Science uncovers how scratching aggravates inflammation and swelling in a mouse model of a type of eczema called allergic contact dermatitis. "At first, these ...

Allergic contact dermatitis is an allergic reaction to allergens or skin irritants — including poison ivy and certain metals such as nickel — leading to an itchy, swollen rash.

Constantly scratching and picking at an itchy rash really does make it worse ... inflammation and swelling in a type of eczema called allergic contact dermatitis. The findings are detailed ...

Discover why your nipples hurt when touched if you're not pregnant, including hormone changes and infection, plus when to see ...

But there are specific kinds that are best: “Cough medicines that contain guaifenesin and dextromethorphan should be okay for a short time,” says Meleen Chuang, MD, the chief of obstetrics and ...

Increased size of one or more lymph nodes. Most are in the neck. Also, includes swollen lymph nodes in the armpit or groin It's larger than the same node on the other side of the body Normal nodes are ...

Cloudy fluid or pus draining from the ear canal usually means there's an ear infection. The pus drains because there's a small tear in the eardrum. To help with the pain, give an acetaminophen product ...