Hip problem?

im pretty active 21 year old male who has done alot of sports like kickboxing skateboding bmx racing and used to run quite a bit latly my left hip joint has had pain its not a treeible pain just uncomfortable streching seems to help but only a minor amout it comes and goes any suggestions on traetment or the possible problem i also am traing in bodybuilding and it recently strted alittle in my other side