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 ...

Allergic contact dermatitis is a skin reaction to contact from an allergen. The allergic reaction typically occurs one to two days after exposure. The reaction causes a rash that can continue to be ...

In July 2023, my 8-year-old son and I were having a smoothie together in our small town in Australia when he started to ...

TikTok user @_nvrseeme was having a hard time with her winter skincare routine, which resulted in more breakouts than usual.

Breaking out in a rash after exposure to sunlight is not uncommon – here’s what you need to know about sun allergy.

Well, the scientists think that though the reaction may worsen the rash itself, it could also offer an immune response to ...

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 ...

Fact checked by Nick Blackmer Crohn's disease can cause symptoms unrelated to your digestion. Health's Crohn's Disease ...

In even rarer cases, people with a penis who produce semen can be allergic to their own seminal fluid—a condition called post ...

and I noticed he had a red rash down his chin. Our doctor referred us to an allergy specialist, and by October, he'd gotten a skin-prick test. It revealed one of my worst fears: Our son had a life ...