codeine cold water extraction

Hello I've extracted Codeine from pills with 240mg Aspirin, 200mg Paracetamol, 50mg Coffein and 10mg Codeine. In total I have 150-200mg codeine and how much Hydroxyzine(Atarax) i need to use? Bcs I dont have prescription for Prometazine but for other First Class Antihistamine that is...

https://bbgate.com/threads/cold-water-extraction-of-codeine-from-over-the-counter-analgesics.805/