are you sick/have cold/maybe an ear infection? maybe check that out with your ent? do you have allergies?
it was my first t sound, but i was sick and had an ear infection when it happened and had allergies too...it went away after 2 months or so...now i still have t in one ear only, but it is a bit different..
i use steroid nasal spray and have allergies as well - but it is something you have to see with your doctor.
& do not use headphones anymore& avoid loud noise enviroments for this period of time at least until your ears settle down.
i'd start taking some good quality ginko biloba just in case and maybe a bit of magnesium, b12 if you are a vegetarian (well you know your diet, so according to that, if you think you lack any..), get a good sleep regularly, your ears will most most probably heal from this thing.
once again- stop using headphones! this is really important right now
good luck!