Ugh, I'm so sorry you had to have this vaccine. It's pretty hard on your system, though obviously less so than getting rabies. If you are under the care of a physician and they told you to continue, then of course that's the best advice. The list of possible adverse reactions is pretty long, but it seems like your symptoms fall into the range of what is known to be possible: https://www.mayoclinic.org/drugs-supplements/rabies-vaccine-intramuscular-route/side-effects/drg-20069868
The CDC site isn't a whole lot of help and only recommends OTC pain relief: https://www.cdc.gov/rabies/specific_groups/doctors/adverse_reaction.html That probably won't help with the tingling, head fog, and fatigue.
I don't know exactly how long these should last, but when is your last injection scheduled?