Acetaminophen/paracetamol shouldn't be take in amounts exceeding 3000mg chronically or 4000mg acutely in 24hrs. Alcohol greatly increases hepatotoxicity. Since
@JagrPens was taking 12 percocet she was already up to 3,900mg. Not worth it for a tiny amount of codeine phosphate.
Please be careful and buy some free form N-acetylcysteine (also called NAC) at your local health food store. Take on an empty stomach since as an amino acid precursor (glutathione) it is much less effective with food. Same thing they give in hospital for Tylenol overdoses
For withdrawals try 4mg loperamide every 4 hours, the active ingredient in Immodium is derived from thebaine, like oxycodone, acts as a mild opioid receptor agonist (predominant µ type receptors). Safer!