Throw in a racing heart, sensitivity to anything that touches you, temperature...well, you get the idea.
There's no way to stop without any side effects
. (Unless...can you afford a $10,000 treatment? And even then, there are long term repercussions.)
Do a search on here for "Thomas recipe". It's an affordable, fairly easy to get at home remedy. Also Amino acids, and nutrition and withdrawal.
You're going to have to get your fear under control.