What are the symptoms of a bruised or inadequately bruised foot?

What are the symptoms of a bruised or inadequately bruised foot?
Actually, the bruising is a symptom. You could have poor circulation, or a popped capillary. Maybe even a broken bone. You could even be hemo something. It's an illness that cause bruising. Check out www.webmd.com
It will hurt and possibly color changes
Also you could own an allergic reaction to something. That happend, to me. I can't remember what it be, but my feet and hand swelled up, then when they come down they were bruised.. it be horrible lol.