METHIMAZOLE vs TIROSINT-SOL

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Possible drug interaction. METHIMAZOLE and TIROSINT-SOL 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	METHIMAZOLE	TIROSINT-SOL
Rating	New	66/100
Pharmacy pays	~$2.28 /30	~$1.83 /30
Type	RX	RX
Active ingredient	METHIMAZOLE	LEVOTHYROXINE SODIUM
Manufacturer	Aiping Pharm Inc	Ibsa
Dosage forms	Tablet	Solution
Drug class	Thyroid Hormone Synthesis Inhibitor	L-Thyroxine
Boxed warning	None	Boxed warning
Half-life	—	about 6 to 7 days in adults with normal thyroid function
Treats	Goiter, Thyroid Crisis	Goiter, Myxedema, Thyroid Neoplasms

methimazole tirosint-sol

Rating

New

66/100

Pharmacy pays

~$2.28 /30

~$1.83 /30

Type

Active ingredient

METHIMAZOLE

LEVOTHYROXINE SODIUM

Manufacturer

Aiping Pharm Inc

Ibsa

Dosage forms

Tablet

Solution

Drug class

Thyroid Hormone Synthesis Inhibitor

L-Thyroxine

Boxed warning

None

Boxed warning

Half-life

—

about 6 to 7 days in adults with normal thyroid function

Treats

Goiter, Thyroid Crisis

Goiter, Myxedema, Thyroid Neoplasms

Frequently asked questions

Which is cheaper, Methimazole or Tirosint-Sol?

Tirosint-Sol costs pharmacies less to acquire — about $1.83 vs $2.28 for a 30-count supply, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Methimazole and Tirosint-Sol?

Methimazole contains Methimazole, while Tirosint-Sol 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.