What is L-Thyroxin Henning called in the United States?
L-Thyroxin Henning contains levothyroxine. In the United States the same medicine is sold as Synthroid or Levoxyl, where the ingredient is called thyroxine.
Medically reviewed by Javeria Muneer, Pharmacist · Last reviewed:
| Brand | Country | Active ingredient | Common strengths |
|---|---|---|---|
| L-Thyroxin Henning Pending verification | Germany | levothyroxine H03AA01 | 25 mcg tablet, 50 mcg tablet, 100 mcg tablet |
| Synthroid Pending verification | United States | levothyroxine H03AA01 | 25 mcg tablet, 50 mcg tablet, 100 mcg tablet |
| Levoxyl Pending verification | United States | levothyroxine H03AA01 | 25 mcg tablet, 50 mcg tablet, 100 mcg tablet |
Same active ingredient does not always mean the same strength, salt or release form. Check the pack and ask a local pharmacist.
Questions
What is L-Thyroxin Henning called in the United States?
L-Thyroxin Henning contains levothyroxine. In the United States the same medicine is sold as Synthroid or Levoxyl, where the ingredient is called thyroxine.
Is Synthroid exactly the same as L-Thyroxin Henning?
Both contain levothyroxine (ATC H03AA01). Strength, salt, release form and inactive ingredients can differ, so compare the packs and ask a pharmacist.
What strengths of levothyroxine are common in the United States?
Common forms include 25 mcg tablet, 50 mcg tablet, 100 mcg tablet. Check the label, because local packs may differ from the one you have.
