Rash after miscarriage

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Has anyone ever experienced a rash after a miscarriage? I had a miscarriage 7/22 and yesterday I woke up with a couple red itchy spots. Since then it’s spread all over my torso and back. I looked it up on google and saw where a couple people have experienced this. I have an appointment with my OB Thursday but just wondered if anyone else had experienced this.

Will add a picture in the comments!