There are many centers around the world that offer care and rehabilitation to people addicted to drugs and alcohol and hence if you know anyone needing help, you could look into advising them to proceed accordingly. Often people who suffer from an addiction are seen to be silently going through hell which is not really the right thing to do. And if a family member is addicted, you should try and offer them help instead of kicking them out of your place.
Before you proceed towards looking for a way to help your family member recover from an issue with addiction, it would be appropriate if you researched addiction treatment centers in Toronto, see this neworld detox centre review, with websites that provide step by step guidance on how to get started with the process.
Remember, your relative may be going through a tough time and if you compel them to give up upon the drug without a properly planned schedule, you could end up putting their precious life at risk. There is an established way of going about dealing with addiction and different drugs would have different impact upon different addicts.
Professional addiction centers would have the most recent techniques of helping someone out of their addiction so make sure they are contacted and taken advice and guidance from. Addiction is not something that you can control yourself as it may strike back on you leading to an undesirable consequence.