Poison ivy contains an oil called urushiol, which causes a red, itchy rash when it transfers to the skin. Every part of the plant contains this oil, from the roots to the stem to the leaves ...

How quickly the rash appears and develops depends on how much urushiol is present as well as a person's skin thickness and ...

Scratching is often pleasurable, which suggests that, in order to have evolved, this behavior must provide some kind of ...

It is important for a person to avoid itching if they have a poison ivy rash. Itching can cause breaks in the skin and lead to infection. They should also not burst any blisters that develop.

Scratching an itchy rash really does make it worse. Now we know why, thanks to new research published today in the journal ...

Most bug bites are harmless and can be treated at home, but some can spread diseases like: Other outdoor rashes include skin ...

Constantly scratching and picking at an itchy rash really does make it worse. But why? According to newly released research ...

For those who have never had a poison oak rash, it can last for 21 days or more. Rinse the skin using cool water. Wash under the nails. If a person does this within 10 to 20 minutes after coming ...

Scratching an itchy rash worsens inflammation by triggering pain-sensing neurons and activating mast cells, creating a ...

Poison ivy, poison oak, and poison sumac are ... Food allergies can cause skin reactions from hives to rashes. But you don’t have to eat the foods – even handling them can irritate your ...

As more people venture outside to enjoy warm weather, knowing how to identify and avoid poison oak could help to avoid a future of headaches and itchy red rashes ... with poison ivy, but the ...

New research published in the journal Science uncovers how scratching aggravates inflammation and swelling in a mouse model ...