Purpura (from the Latin, purpura, meaning "purple") is the appearance of red or purple discolorations on the skin, caused by bleeding underneath the skin. Small spots are called petechiae less than 1cm, while large spots are called ecchymoses greater than 1cm. This is common with typhus and can be present with meningitis caused by meningococcal meningitis or septicaemia. Classification Purpura is a common and unspecific medical sign, however the underlying mechanism commonly involves one of the… (More on Purpura)