Red Patches on 6 Month Old's Arms

Anonymous

Can anyone tell me what this is? They just appeared today on both arms in the same exact spot on each arm. It looks almost like carpet rub from crawling but he hasn't been on the floor today. I also can't feel them.. like, they aren't raised like his Eczema spots are. PS: The spots on his stomach are Eczema. **Edit: Yes, I am going to contact his doctor if it doesn't go away. The office is closed today.