if food can trigger pinic attacks can some foods do the oppisite im fine untill i eat

after eating almost anything i feel moody tierd fatiged headaches nasia and like crap like ive not sleeped in days ive been tested for diabetes and im not im about 30lbs over wieght  but i am also  manic and ptsd and im borderline autistic although some of this is all dr opions n e ways i need help my family has left me because my disorders and i never had or made or keept friends and now ive a presius baby gurl and all my symtoms are different or worse