I think I may have PTSD! *Long post*

On Saturday October 8th my husband, my kids and I were on our way to have a fun family day as we do every weekend. On our way to the interstate we ran into some traffic. We noticed there was a car accident, it involved a motorcycle and a moving truck, there was a drone flying over the crash taking pictures. When the light turned green and we were able to go, right next to the motorcycle laid it's owner dead partially covered with a white sheet.

I have necrophobia (irrational fear of dead things, corpses as well as things associated with death) and my biggest fear ever has always been to unexpectedly see a dead body in a non-funeral state. Well my biggest fear came true and it is worse that I imagined. Immediately after seeing the body I went into panic. For two weeks following I was in fight or flight mode, my anxiety was higher than it's ever been, everything just felt and looked different, I no longer felt like myself.

Now, 3 weeks later my anxiety is starting to level out but I am still avoiding the are of the accident, I cannot bring myself to driving through that area, if I see first responder vehicles I start panicking thinking there will be a body on the ground. If I see a drone flying I panic thinking there is a body below it. I keep having dreams that my husband drives by the accident site and I scream and cry and I cover my fave so I won't look. I kee having dreams that there is accidents and there is body or two laying on the ground near places my family and I go to frequently.

Is this PTSD? Does PTSD go away on it's own? Do I need to see a doctor? Help me! I want to go back to the way I was before I experience this traumatic incident!