Firstly, you can turn to the PMS/CLB of the school of your child or associations working with this issue. Infor-Drug offers information, help and advice to anyone who is closely or indirectly involved in the drug problem, anonymously. www.infor-drogues.be It is also possible to check with your doctor for more specific advice.
You can also call the addictions support network: http://www.rat-asbl.be
In Flanders you can contact the Druglijn www.druglijn.be
In Wallonia you can contact Infor Drogues.
For more information on children and substance abuse you can read:
https://infordrogues.be/services/vous-etes-parent-proche-consommateur/