Nicotine inhalation system 10mg (4mg delivered ... Inhaler: peak plasma concentrations of 49ng/mL reached within 15 minutes. Nasal spray: maximum venous concentrations of 2–12ng/mL reached ...

These includes a nicotine patch, gum and lozenges available over-the-counter, plus a nasal spray and inhaler available by prescription. Certain routines can trigger smoking urges. Try to avoid or ...