Eltroxin: what's in it, and is it OK in pregnancy?

Eltroxin is a brand name, not a single medicine. What matters in pregnancy and while breastfeeding is what's inside it.

In short

Eltroxin contains levothyroxine.

What's in Eltroxin

Product (as NPPA lists it)Composition (NPPA's wording)Company
ELTROXIN 100 MCG TABLET 120“LEVO-THYROXINE (SYNTHETIC) TABLET 100 MCG”GLAXOSMITHKLINE PHARMACEUTICALS LTD.
ELTROXIN 12.5 MCG TABLET 120“LEVO-THYROXINE (SYNTHETIC) TABLET 12.5 MCG”GLAXOSMITHKLINE PHARMACEUTICALS LTD.
ELTROXIN 125 MCG TABLET 60“LEVO-THYROXINE (SYNTHETIC) TABLET 125 MCG”GLAXOSMITHKLINE PHARMACEUTICALS LTD.
ELTROXIN 150 MCG TABLET 100“LEVO-THYROXINE (SYNTHETIC) TABLET 150 MCG”GLAXOSMITHKLINE PHARMACEUTICALS LTD.
ELTROXIN 25 MCG TABLET 120“LEVO-THYROXINE (SYNTHETIC) TABLET 25 MCG”GLAXOSMITHKLINE PHARMACEUTICALS LTD.
ELTROXIN 37.5 MCG TABLET 120“LEVO-THYROXINE (SYNTHETIC) TABLET 37.5 MCG”GLAXOSMITHKLINE PHARMACEUTICALS LTD.
ELTROXIN 50 MCG TABLET 120“LEVO-THYROXINE (SYNTHETIC) TABLET 50 MCG”GLAXOSMITHKLINE PHARMACEUTICALS LTD.
ELTROXIN 75 MCG TABLET 120“LEVO-THYROXINE (SYNTHETIC) TABLET 75 MCG”GLAXOSMITHKLINE PHARMACEUTICALS LTD.
ELTROXIN 88 MCG TABLET 60“LEVO-THYROXINE (SYNTHETIC) TABLET 88 MCG”GLAXOSMITHKLINE PHARMACEUTICALS LTD.

Same brand name can cover different products — check your pack.

Pregnancy and breastfeeding: read the ingredient page

This page gives no pregnancy or breastfeeding verdict of its own. Talk to your doctor or pharmacist before taking Eltroxin in pregnancy or while breastfeeding.

Sources

  1. Composition per NPPA Pharma Sahi Daam (National Pharmaceutical Pricing Authority, Government of India) data (Jul 2026): Pharma Sahi Daam, brand “ELTROXIN”.

Sources checked 26 September 2026. How we source and check every page.

Educational information, not medical advice.