
I (19 Male) experienced a terrible auditory hallucination today. It started when I smoked some weed and it might’ve triggered it. I closed my eyes for a few mins and everything felt like it was spinning and eventually I start hearing voices telling me terrible things about myself. Telling me I was wasting my life and how useless I am. Then after I started hating myself it started saying terrible things about my girlfriend (she was smoking weed with me) and it felt like the voices were just trying to break me emotionally. The effects of the weed worn off and I thought I was just having a bad high and was ready to just go home and lay in my bed. 
I then proceed to drive home and about a mile away from my house my head starts pounding and I have an anxiety attack from driving. These voices in my head convinced me that dying in a car accident is the worst way to die. I then get these bright flashes in my eyes and hallucinate a large truck ramming into my car. The voices are screaming in my head now. Screaming I’m going to die and how terrible it is to die in a car accident. Over and over getting louder and louder. Then it just stops for just long enough for me to get home. I get inside of my house (my girlfriend followed me home in her own car) and when I’m inside my apartment the voices are back and even louder. Insulting me telling me I’m worthless and just nonsensical screaming. Every noise in my home was amplified and my head felt like it was being crushed under pressure. I sit down and start crying, luckily my girlfriend was there to comfort me but the screaming only got louder when she tried to talk to me. I was only able to say “I don’t know what’s happening everything is screaming at me” she probably thought I was crazy but she was understanding. I eventually laid down in bed and it continued for about a hour or two. When I woke up after a nap I felt completely fine and I’m scheduling a doctor appointment. 

Sorry for the long post 
TL:DR; Screaming voices in my head traumatized me.