He took himself off his medications just to make sure these symptoms are NOT withdrawal. But, all except the numbness, he has had the other symptoms for several years. This is what began the alcoholism. Alcohol no longer works though. And it seems to make it all worse now.
Alcohol can also induce a neuropathy and also tremors.
Fast withdrawal from benzodiazepines can also induce seizures. What your husband needs to do is see a physician. One is hard pressed to diagnose a problem over the internet, epecially with compounding factors. I think he likely needs a good general physical exam and then a good neurological exam. Sincerely, CCF Neuro MD Information contained within this forum is intended solely for general educational purposes and is not intended nor implied to be a substitute for professional medical advice relative to your specific medical condition or question.