Legal status by country
Is Ambroxol legal?
Written by Aaron CuhaReviewed Sep 2026
How Ambroxol is classified in the United States, United Kingdom, Australia and Canada, side by side. Each country has its own page with a direct answer, the regulator's approval status and what the classification means in practice.
All four countries, side by side
| Attribute | United States · FDA | United Kingdom · MHRA | Australia · TGA | Canada · Health Canada |
|---|---|---|---|---|
| Status | Not approved | Approved | Not approved | Not approved |
| Classification | Not approved by the FDA | Licensed over the counter as a sore throat lozenge | Not registered | Not approved |
| Note | Ambroxol has never been approved in the United States, for cough or for anything else. | The licensed UK product is a 20 mg lozenge. The Parkinson trials used 525 to 1,260 mg a day by mouth, a different dose, route of intent and purpose entirely. | Not on the ARTG. | No Health Canada authorisation. |
US FDA status: Not approved in the United States for any indication. Widely available over the counter as a mucolytic in Europe, Asia and Latin America. The Parkinson disease work is investigational everywhere and uses doses far above the mucolytic range.. Reviewed Sep 2026.
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General information current as of Sep 2026, not legal advice. Classifications change; confirm with the regulator or a lawyer for a specific situation. Educational use only. This database summarizes published research. It is not medical advice and contains no dosing protocols or recommendations for personal use. The Longevity Archive has no vendor relationships.