recrudescence

When something that's bad comes back to haunt you, call it a recrudescence. It's not a word you'll hear often, but it's useful. As a bonus, it lets you say "crud" while sounding really smart.

Don't confuse recrudescence with resurgence, which is neutral and could be used just as easily to describe a new growth of pimples as to describe the return of warm weather in the spring. is bad. Use it to talk about those pimples, the return of the symptoms of a disease, or an underground crime ring.

Definitions of recrudescence
1

n a return of something after a period of abatement

“a recrudescence of racism”
“a recrudescence of the symptoms”
Type of:
eruption, irruption, outbreak
a sudden violent spontaneous occurrence (usually of some undesirable condition)