Side effects are similar to those of other opiates and include itching, nausea and respiratory depression.
The definitive synthesis, which involves treating anhydrous codeine base with nicotinic anhydride at 130 °C, was published by Pongratz and Zirm in Monatshefte für Chemie in 1957,[2] simultaneously with the two analogues in an article about amides and esters of various organic acids.
In the past, the tartrate, bitartrate, phosphate, hydrobromide, methiodide, hydroiodide, and sulfate were used in research or as pharmaceuticals.
Nicocodeine is regulated in most cases as is codeine and similar weak opiate drugs like ethylmorphine, benzylmorphine, dihydrocodeine and its other close derivatives like acetyldihydrocodeine (although not the stronger hydrocodone or oxycodone, which are regulated like morphine) and others of this class in the laws of countries and the Single Convention On Narcotic Drugs.
Analgesic preparations are also in the form of sublingual drops and tablets for oral administration.