hello welcome to hcm,
see first u not mention ur age .thenas u met 5 doc so what they said means what they diagnose u? it may be due to anatomical or physiological problem.u have to do regular exercise and yoga
plus try some alternative therapy like homooepathy which help u in ur condition.u also not mention where u have spot it may be due to some kind of injury
or may be allergy
.please do complete ur history.