Perhaps ask for a titer blood test. It will show if you have immunity to chicken pox (meaning you had it)
yeah, you get an immunity after getting CP but it’s not totally gone as CP goes dormant somewhere in your spine.
if your immune system gets compromised, old or stressed the virus can reactivate and flare up again. You do recover as the immune system responds but according to my bro its painful (left torso, but in a small area...Dr. confirmed).
yoiu may have had shingles or chickenpox and show a blood titer. But the virus sits in your body and can cause flare ups.
Bit like herpes.