No, you can't go through this again. Nor should you have to. We can be so self destructive, hey?
A long time ago I had the 'spiders' too. Tried to turn them into butterflies, but it didn't work. I had to go to the hospital.
Even if you are not hallucinating and think you are feeling better I still think you should see a doctor for benzo's or something to help you sleep, and prevent (possible) further withdrawals which can occur days later.
You don't have to suffer this way. You are worth so much more than this.
Keep coming here for back-up. We care.