Until there is a solution in place, Dr. Donovan said she’s advising some patients with Graves’ disease to avoid pregnancy because of the potential risks.
Health Canada added PTU to its Tier 3 drug shortage list late last month. The list is reserved for shortages that “have the greatest potential impact on Canada’s drug supply and health care system.” Stan Van Uum, president-elect of the Canadian Society of Endocrinology and Metabolism, said he had a call with Health Canada officials Monday to discuss options to address the discontinuation. Dr. Van Uum said the federal government has identified a supply source outside of Canada, but it’s unclear how long it could take to get the drug here. The CSEM first wrote to the federal government about the drug discontinuation in late April.Dr.