Schizophrenia help me please?

i have this problem that iv had for over 4 years now im 14 and about four years ago i started having theses weird "panic" attacks what my mom called them i would wake up in the middle of the night and see everything really small and then this voice in my head would tell me i have to collect these things else it would kill me.. iv had allot of accidents with this the major one where when i ran out into the street and almost got ran over then again when i almost rode my bike into a rushing river.. i am awake for this but im not thinking.. i remember a few details.. and one of the most recent ones was when i had a Cat.. i woke up and i stood right in front of my dad crying.. i took a piece of carpet of my cats cat stand and i held it up to my dad and told him it was going to kill me.. that's all i remember.. i woke up the next day Knowing that happened but i didn't remember the string thing.. i felt as though i imagined it... but it hasn't happened very often it has changed... like about a week ago i as laying in my bed in the dark and i heard this voice telling me im worthless and useless and saying i should die... i felt as though no one loved me and i could stop crying... my friends suggest i have skitzo but i don't know my parents just put them behind me.. i really want to know whats wrong with me.. sorry if my spelling isn't that good help me and thanks :)