It is always very tough for families to discover that one of them is a drug addict. But one should know that an addiction is curable.
Many drug addiction centres offer treatment of not only the addicted one but also the family. You can attend seminars and lectures where you are taught about how to deal with an addicted person and you also get mental and emotional support. Family involvement is a very important component because it makes the bond stronger and shows the love spread between each other in a family.
You can send your enquiries to every qualified drug rehab center and you can expect quick replies from professionals in this matter.