The legal age to hold a medical document for cannabis in Canada is 18 years old in Alberta and Quebec, and 19 in all other provinces. Any person(s) under the required age looking to obtain a medical document must be accompanied by a parent(s) or guardian. Person(s) under the required age must have an authorized consenting adult accompany them at their appointment. Physicians will not administer medical cannabis to any person(s) under the required age without a consenting adult. You must be a Canadian resident to qualify for a medical document in Canada.