There are a lot of posts about this subject, one was over 900 posts
long, on this very subject, of
how long do the withdrawals
last. It showed that it varies a lot from person to person.
You won't do any permanent damage to your body or brain. seems you will have to ride this out, and the suggestions above will help you. I have always taken Omega 3 and Vit B complex with the drug, and have continued to do so, along with multivitamins and minerals.