What causes rashes and itching of the skin upon speak to with the grass?

itchy rash lupus by Carlos F : What causes rashes and itching of the skin upon contact with the grass What happened to my mother. He was executed on a grassy hill, waiting for my little brother home from school (the school is only a couple of meters). It did not final a lot sitting, but she said a handful of minutes later she began to itch, and since she wanted a lot and she has a rash. She thinks it is a bug or a thing, but we can not see the answer Best nothing. response Joe It can be

Itching Urticarial Rash