I happened upon this and wanted to share...have not read all the entries, but some aspects seem compatible to Epicureanism...looks to be helpful toward removing severe mental pains:
Learn Skills — Now Matters Now
No matter the kind of emotional hell you're in right now, there’s a way through
nowmattersnow.org
QuoteWhat choice do you want to make today?
We use five choices to build meaningful lives and reduce pain. Each choice is connected to a series of evidence-based coping skills and resources.
Edit note: This website also gives resources to get out of suicidal ideation.