The doctor will look at your skin and ask you if you have been exposed to any irritating substances.

Most simple rashes will improve with gentle skin care and avoiding irritating substances.

Do you work with chemicals or other irritating substances?

A rash usually starts about 48 hours after exposure to the irritating substance.

Using skin and hair care products that contain irritating substances.

The rash usually starts within 48 hours after contact with the irritating substance.

They worsen after contact with soap, water, or irritating substances.

The rash usually starts about 48 hours after you have been exposed to the irritating substance.

It develops when an irritating or harsh substance actually damages the skin.

It generally occurs at the site of contact with the irritating substance.