Hopefully this helps people with expectations. I didn’t notice too much pain or swelling but even so it took a while to get full functionality out of my NExT.
About 48 hours after, able to read and write HF
72 hours after
4 days
1 week, able to get intermittent reads on LF with Proxmark but not more complex commands
2 weeks
3 weeks, finally able to read and write LF with Proxmark and cloned another card into my NExT successfully