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EUTHYROX vs LEVOXYL

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 19, 2026·How we rate

Rating

70/100
New

Pharmacy pays

~$1.83 /30
~$1.83 /30

Type

RX
RX

Active ingredient

LEVOTHYROXINE SODIUM
LEVOTHYROXINE SODIUM

Dosage forms

Tablet
Tablet

Drug class

L-Thyroxine
L-Thyroxine

Half-life

about 6 to 7 days in adults with normal thyroid function
about 6 to 7 days in adults with normal thyroid function

Treats

Goiter, Myxedema, Thyroid Neoplasms
Goiter, Myxedema, Thyroid Neoplasms

Frequently asked questions

Which is cheaper, Euthyrox or Levoxyl?

Pharmacies pay about the same to acquire either one — roughly $1.83 for a 30-count supply, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Euthyrox and Levoxyl?

Both Euthyrox and Levoxyl share the active ingredient Levothyroxine Sodium.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.