if it persists, should i get it checked out? or are the things that cause itching often nothing to be concerned about?
Personally, I wouldn't go to the doctor for a simple bruise unless it got swollen or hot, indicating a possible blood clot or something, or unless I thought there was injury to the joint or bone. In an otherwise-healthy person, bruises usually resolve quite nicely on their own.
You should always do what you feel is best for you though.
I once went to the ER after a fall, because I was really concerned that I had a hairline fracture in my femur because it hurt like a MOFO and had a huge bruise. The ER staff practically laughed at me...jerks... My dog sniffed at that spot for months and months after the bruise went away...I really think I had a deep tissue injury or possibly a fracture. My dog has a pretty good sniffer.
I slammed into the corner of my desk two and a half weeks ago, leaving a horrendous swollen bruise. It started itching about two days later. It's *almost* gone now - definitely more yellow than purple and not swollen at all - and it doesn't itch anymore.
You know how cuts itch when they're healing? I think it's the same type of thing.
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