Hi WienerBoy
Welcome to NeuroTalk

.
This information about reported side-effects of RabAvert vaccine may help you
RabAvert: Indications, Side Effects, Warnings - Drugs.com .
The effects of getting a rabies vaccine have been discussed in this thread
Post Vaccine Neuropathy Rabies Vaccine .
I think that getting your titre level checked is a good idea.
All the best.