Definition of transdermal in US English:



  • Relating to or denoting the application of a medicine or drug through the skin, typically by using an adhesive patch, so that it is absorbed slowly into the body.

    • ‘They also received nicotine-replacement therapy using transdermal nicotine patches.’
    • ‘Testosterone can be given intramuscularly or topically with transdermal patches or gel.’
    • ‘An example where alternative routes of drug administration may help fasting patients is the use of transdermal patches.’
    • ‘These results correlate with information from other studies, including tests of a transdermal contraceptive patch.’
    • ‘These included nicotine gum, inhaler, transdermal patch, and nasal spray.’