auto-intoxication
au·to·in·tox·i·ca·tion n. Self-poisoning caused by endogenous microorganisms, metabolic wastes, or other toxins produced within the body.
I just joined Gettr and I highly recommend it - it's the best alternative to them all so far:

Telegram Channels: Get Post Updates | Chat/Comment | Video Evidence | c19 Images/Memes