help!!here are my symptoms

i am extremly tired, i feel like im not even here its all a dream, i am hungry all the time and im not that sort of person i go days with out wanting anything.i cant sleep all night through..at times i even feel suicidel.i keep havin panic attacks and shortness of breath, in the evening i feel so exausted i sometimes forget what i was doing, and find it hard to concentrate.i am forgeting things in the day to and i dont usually do this either my mum always used to say i have a photographic memory. i dont know if its to do with stress or allergies as i have read bout both.i am a celiac but dont no if i have anyother allergies at this point i havent been eating wheat or gluten for over a year now.also with the stress situation i am stressed starting a new stressful job and a new relationship and hectic family life.but that was a few months ago so why is it effecting me now? sorry for the long story i just wondered if any one can help which is gladly needed!