Do you have a health boost armor on that you cannot take off because it makes you have glitched HP? Then Duplicate Potion of Ultimate Healing and drink a lot of them. It seems the potion does not set HP to max, but rather restores a lot of health, hence why drinking a lot of them might work.
I found out this solution when I was freaking out at one time then i drank 3 of them out of fear and found out I could take the armor off without dying.
From what i understand taking fall damage deals a lot of damage that a Potion of Ultimate Healing cannot heal with one.
I hope this has saved some of your older prized characters which have delved into the Fortify Restoration glitch.
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