I feel like this is a strange question, but has anyone else experienced bad acne (cystic) after their injury?

I only had mild acne prior and usually around my period. It was typically not cystic either. Many times I had clear skin in between. Now I am having a big problem with my back. My chest, shoulders, and face can be a problem off and on.

I have tried switching shampoos, using an acne body wash, etc with no help. I am curious if this could be at all related as the injury is the only thing left that has changed. I am on thyroid medicine. It was adjusted months back, no other hormones were tested. Am I just being nuts? This feels weird to happen suddenly in my 30s.. And side note..i have been off "the pill" for years now.