I know this is stupid, but that is like my middle name. I told this to my therapist as I have shame issues as well. She had told me to try and redirect it into something different, so I did.
Just take that Irene Cara song, "Fame," remove fame and replace it with shame

Shame! - You are the dumbest of feelings,
You get in the way of my healing,
Shame! -
Get-on-a-slow-boat-to Chi-ay-na,
Which then can be bombed by a plane,
Shame!
I don't deserve, fe...el this
I think will throw it awaaaay

My therapist was laughing so much I was afraid she might pass out. I know this is a serious issue. Humor is a way for me to tackle things that I can't figure out how to resolve any other way. I felt overpowering shame for years and years over something I had no control over. This technique works for me, it may not for others, my brain is all weird. And no, I am not using any illegal substances, just taking what has been prescribed. In the end, there is nothing for you to be ashamed of, our minds trick us on this one if they can. I hope in time you can overcome these feelings and cut through that fog of shame.