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 ...

Giving up nicotine can be a brutal experience that can include everything from physical symptoms, such as headache and nausea, to mood issues, including irritability, anxiety and depression. Yet, it ...