my daughter is 2 years and 9 months old few days back she had a boil on her back just behind the spine . my mother in law put vicks on it to dry off and it got dried . again there was a small boil in the same place itopened while we were travelling but nothing much went out from the boil and it dried either. now there is a small lump beside the boil and it pains . what is this lump please suggest how to get rid of this boil please help mam .