 [ Symptoms ] can panic attacks cause hallucinations  i am a 15 year old girl and i have always had anxiety but never any panic attacks last night however i was sitting alone in my sunroom when a large shadow seemed to begin growing before my eyes it kept growing and i got so terrified i have never been that scared before it was true fear in the pit of my stomach my body was trembling and i could barely move my heart was racing and i was sweating i eventually calmed myself by singing once i was calm i felt very very tired what was this [ Disease ] hi i recently had the same thing happen to me stress can do crazy things to our bodies such as missing a period which is what has happened here since your body was on a crazy schedule