Recreational doses of Codeine Phosphate?

Opiate users develop an intolerance over time, so it might not work if you take alot of opioids. Opioids don't have a ceiling, so they will always have an effect. It does get broken down in your liver so be careful of developing toxicity if you take too much too soon or over a long period of time. Sounds like you have an allergic reaction to the drug. And one more bit of info - recently on the news codeine has been linked to sudden deafness.