Is this plant or weed poisonous?

This weed is near the road and I kneel on it and it gave me a ready bad burning sensation. Fast forward a week and I have a rash all over my body so i went back and took the plant off the road and idk if my rash is due to the plant a week back but this is the plant, I live in texas 

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  • 2 months ago

    That's a milk thistle.  It's not poisonous.

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