Allergic contact dermatitis: An immune system reaction that appears on the skin. It can occur a few days after exposure rather than right away. The rash may become infected, particularly if you ...

Armpit rashes can be caused by allergic reactions, infections, and chronic conditions. Armpits are a common place to get rashes because the skin there is thin, folds up on itself, and can be hairy.

Armpit rashes can be caused by allergic reactions, infections, and chronic conditions. Armpits are a common place to get rashes because the skin there is thin, folds up on itself, and can be hairy.

Hives and rashes both affect how your skin looks and feels. Hives (urticaria) are outbreaks of discolored bumps. They’re caused by allergies or allergy-like skin reactions to irritants.

Aug. 20, 2024 — Researchers have shown how and why the depletion of microbes in a newborn's gut by antibiotics can lead to lifelong respiratory allergies. The research team identified a specific ...

cow’s milk nuts eggs fruit Symptoms of food allergies can be mild, such as a rash. A more severe example is hives. Hives can appear when certain foods are eaten. Most people with allergies have ...

Contact dermatitis usually starts as raised red spots. It can change to blisters, as in poison ivy. The rash is itchy. Contact dermatitis is an allergic skin rash. The location of the rash may suggest ...

They will then wait 15 to 20 minutes to see if a rash or welt appears. They may diagnose the baby with a milk allergy if it does. However, around half of milk allergies in babies are ...

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 ...

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 ...

wool IgE mediated Sensitivity to insect venom Temporary irritation or swelling around the site of sting Wasp or bee sting IgE mediated Drug allergy Rash Any drug, especially penicillin group of ...