<unk> (nasal) is a Dependency Agent that is FDA approved for the treatment of smoking cessation for the relief of<unk> withdrawal symptoms.   Common adverse reactions include skin irritation, nasal irritation, nasal spray, oral irritation, dizziness, headache, insomnia.
Nicotine 
Heroin
N-Nitrosonornicotine
Cannabis 
Nicotinyl alcohol
Opiate
Methamphetamine
Benzocaine 