Board Thread:Skyrim/@comment-107.184.135.84-20150220063755/@comment-6881629-20150221144630

Skiping all that will probably get pretty messy before that have a look at this Nexus thread about removing effects. The only advice anywhere though for that specific glitch (on the link too) is what you said you tried already go back to the crystal in the Cairn and try to fix it there with a soul husk.