worsening

Worsening pre-existing health conditions in U.S. adults with Long COVID Abstract Purpose Long COVID literature often describes new-onset symptoms or conditions following SARS-CoV-2 infection; however, Long COVID also encompasses the exacerbation of pre-existing conditions. We describe health...

In the patient community, it seems somewhat common to refer to instances where PEM (or a crash) led to worsening of the condition which was permanent. I have however yet to find a reference to this in the literature, if someone knows of one, I would be grateful as it is of interest to me, thanks!