Agranulocytosis and serious liver injury are extremely rare, yet serious, complications that can arise in patients taking antithyroid drugs (ATD) to treat hyperthyroidism (overactive thyroid).

To help you and others recognise these symptoms, we recommend downloading this alert card and carrying it with you at all times.

If you are ordering for a hospital or health centre please order from our bulk order form 

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Find more resources, including patient stories, films and details of our support network here

Living with hyperthyroidism

We rely on donations to fund our work supporting and informing people living with thyroid disorders. Please consider making a donation or becoming a member

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