I would like to second what Trina has said and apologise it has taken this long to reply.
I can't really offer any help, I've never heard of cervical dystonia. I do hope you were able to make the best decision about the treatment and that you have found something to help you.
All the best
Hey, I'm Gem with CF, age 28 and diagnosed at 2 years old. I'm from the UK so tell me if I say something you don't understand. I'm no expert but having CF myself I've learnt a few things along the way.
Diagnosed with: Cystic Fibrosis, Asthma, ABPA, Clinical Depression, Mild Liver Cirrohsis, Mild Osteopenia, Erythema Nodosum, Myopathy.