Overdoses of nicotine diffused by patches (transdermal route) may cause diarrhea and stomach ache. In such cases, the dosage should be adjusted (reduced). Do not hesitate to consult your doctor.

For further information, we recommend that you consult :
- Tabac info service website
- The Santé Publique France website and its section on tobacco
- The "Ameli" health insurance website and its thematic file on tobacco

And more specifically, the resources you can consult to stop smoking:

- Tabac info service: the application that suggests ways to stop smoking, which you can download here.
- 3889: a free telephone service staffed by tobaccologists, Monday to Saturday, 8am to 8pm.
- A tobaccologist: a professional who can help you quit under the right conditions, easily found on the tabac info service website here