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How to Report a Side Effect in the UK, Canada, Australia and the EU

The names of the official side-effect reporting schemes in the UK, Canada and the EU as their own pages describe them, and what we could not verify for Australia.

Content last updated . This page has not been medically reviewed.

How to read this page

This page names the schemes and says what each official page we read says. It does not give phone numbers or step-by-step forms, because those change; use the official site. Many schemes are written for medicines. Whether a given herbal or supplement product is accepted is something the pages we read often do not say, so we say so below. In an emergency in the US call 911; for poisoning, Poison Help is 1-800-222-1222. Other countries have their own numbers: see Poison help by country.

United Kingdom: Yellow Card

The Yellow Card scheme is run by the Medicines and Healthcare products Regulatory Agency (MHRA). [1] The page we read says anyone can report an issue with a medicine, vaccine or medical device. [1] Its list of product types did not name herbal or dietary supplements, so check the Yellow Card site for your product. It says reports help the MHRA identify new safety issues as early as possible, and that it cannot provide medical advice; it suggests speaking to a doctor or pharmacist if you are worried. [1]

Canada: Health Canada

Health Canada's reporting page says anyone can report a side effect to a health or cannabis product. [2] It describes natural health products as naturally occurring substances and points to product-specific reporting pages. [2] We read this page through a fetch tool and did not follow the product pages, so we cannot describe the form.

European Union: through the national authority

EMA says it cannot accept side effect reports directly from patients. It recommends reporting suspected side effects to the national competent authority, by talking to a healthcare professional or in some cases directly through online forms or by telephone. [3] It says to seek advice from a doctor or pharmacist about a side effect. [3] These reports are used to continuously monitor the safety of medicines on the market. [3] The EMA page concerns medicines; food supplements and herbal products were not described in the text we read.

Australia

We could not open the Therapeutic Goods Administration's reporting pages this session, so we make no statement about how Australia handles reports. Ask a pharmacist or look for the national regulator's consumer reporting page.

Other countries

We did not read official reporting pages for other countries. Ask a pharmacist or your national health authority.

Related pages

For the United States, see US reporting steps. For what to do first, see What to do after a reaction and Side effects and reporting.

Frequently asked questions

Can I report a supplement side effect to Yellow Card?

The Yellow Card page we read lists medicines, vaccines and medical devices; it does not name supplements in that list. [1] Check the site for your product.

Who can report to Health Canada?

Health Canada says anyone can report a side effect to a health or cannabis product. [2]

Can I report directly to the European Medicines Agency?

No. EMA says it cannot accept side effect reports directly from patients. [3] Use your national authority.

Is reporting the same as getting medical advice?

No. Yellow Card and EMA both say they cannot give medical advice. [1][3] See a doctor or pharmacist.

What about Australia?

We could not verify Australia's process this session. Ask a pharmacist or check the national regulator's site.

References
  1. Medicines and Healthcare products Regulatory Agency (United Kingdom). Yellow Card reporting site. Read 2026-10-23.
  2. Health Canada. Adverse reaction reporting (MedEffect Canada). Text read through a page-fetch tool, 2026-10-23.
  3. European Medicines Agency. Frequently asked questions: reporting suspected side effects. Read 2026-10-23.
Education, not medical advice. This page is for general information. It does not diagnose or treat any condition and is not a substitute for care from a qualified health professional. Natural does not automatically mean safe. Ask a clinician or pharmacist before changing your care, especially if you take medication, are pregnant or breastfeeding, or have a health condition.