I’m so sorry that you’re still feeling as bad after surgery, I’m sure it doesn’t feel like it but as @Isaiah_40_31 says, it is still early days…the nerve issues you’re having will hopefully improve with time, these are nerves which other members have had issues with after surgery & they usually do improve, PT might help or there may be some gentle stretches or stimulation exercises you can do in the future to help. Gentle massage as well, and again in the future some massage/ myofascial release might help with the tight muscles. It could be that some of those tight muscles are causing compression of the IJVs, so hopefully this isn’t permanent. If it doesn’t resolve in time (maybe months down the line unfortunately), then perhaps stenting of the IJVs might be needed if they don’t re-open, although I know finances & finding doctors are probably an issue for you?
They’re very small, but if you can hang on to the couple of positives you mention that will help, and remember it is a huge surgery you had in a very sensitive area…We’re here for you any time you want to off load 
I don’t know if you’re on any medication it’s best to check if supplements are okay with those, and @Emerald posted this info which is a good idea to read too:
Warning on Vitamin B6 supplmentation - General - Living with Eagle
Sending you hugs & will pray for big improvements for you 
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