A 21 mg dose<unk>  applied to the left arm A<unk>  is a transdermal<unk>  that releases nicotine into the body through the skin. It is used in nicotine replacement therapy (NRT), a process for smoking cessation. Endorsed and approved by the U.S. Food and Drug Administration (FDA), it is considered one of the safer NRTs available for the treatment of tobacco use disorder. Nicotine replacement products including gum and transdermal<unk> es are on the World Health Organization's List of Essential Medicines.
Nicotine patch
Nicotine gum
Nicotine lozenge
Nicotine nasal spray
Nicotine polacrilex
Herbal tonic
Low-dose naltrexone
Extended-release morphine