 [ Symptoms ] why does my 6 year old is heel hurt my six year old just recently started complaining about the heel of her foot hurting she says that she has not stepped on anything or hit it what could be the reason why this is going on [ Disease ] using too much acetaminophen can cause serious liver damage which may not be noticed for several days nsaids for some people with certain medical problems can lead to the development of stomach bleeding and kidney disease