This is actually when she was ill and had a lupus scare, when you have lupus your body can break out into random sores and rashes so that's probably what is is...
This is around about the time when she said she was having a dream where a demon tells her to cut herself and rub honey into it or it would hurt her family or something like that. Conspiracy probably but still. :o I'm sure it's nothing Monster. <3 but good observation. :)