THYROGEN vs TIROSINT

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 10, 2026·How we rate

Possible drug interaction. THYROGEN and TIROSINT are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	THYROGEN	TIROSINT
Rating	72/100	70/100
Pharmacy pays	—	~$1.79 /30
Type	RX	RX
Active ingredient	THYROTROPIN ALFA	LEVOTHYROXINE SODIUM
Manufacturer	Genzyme	Ibsa
Dosage forms	Injectable	Capsule
Drug class	Thyroid Stimulating Hormone	L-Thyroxine
Boxed warning	None	Boxed warning
Half-life	—	about 6 to 7 days in adults with normal thyroid function
Treats	Thyroid Neoplasms	Goiter, Myxedema, Thyroid Neoplasms

thyrogen tirosint

Rating

72/100

70/100

Pharmacy pays

—

~$1.79 /30

Type

Active ingredient

THYROTROPIN ALFA

LEVOTHYROXINE SODIUM

Manufacturer

Genzyme

Ibsa

Dosage forms

Injectable

Capsule

Drug class

Thyroid Stimulating Hormone

L-Thyroxine

Boxed warning

None

Boxed warning

Half-life

—

about 6 to 7 days in adults with normal thyroid function

Treats

Thyroid Neoplasms

Goiter, Myxedema, Thyroid Neoplasms

Frequently asked questions

Which is better-rated, Thyrogen or Tirosint?

By our independent rating, Thyrogen scores higher — 3.6 vs 3.5 out of 5 for Tirosint. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Thyrogen and Tirosint?

Thyrogen contains Thyrotropin Alfa, while Tirosint contains Levothyroxine Sodium — they have different active ingredients.

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.