Key facts about Thyrotropin Alfa
What dosages is Thyrotropin Alfa available in?
Thyrotropin Alfa is available as 0.9 mg of Thyrotropin Alfa in a single-dose vial.
What is Thyrotropin Alfa used for?
Thyrotropin Alfa is a thyroid stimulating hormone that is used to check your body for the return of thyroid cancer after treatment. It is also used to help treat thyroid cancer.
How does Thyrotropin Alfa work?
Thyrotropin Alfa works by measuring the level of a substance in your body (thyroglobulin) that is produced if cancer cells are present. For thyroid cancer, it helps thyroid tissue cells take up radioactive iodine, which slows or stops the spread of cancer cells.
How do I take Thyrotropin Alfa?
A two-injection regimen is recommended:
- Thyrotropin Alfa 0.9 mg is administered intramuscularly,
- Followed by a second 0.9 mg intramuscular injection 24 hours later.
Is it safe for me to take Thyrotropin Alfa?
Thyrotropin Alfa is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication in the following:
- Allergic reaction to any ingredient in the product
Thyrotropin Alfa Common Side Effects
Common side effects of Thyrotropin Alfa:
- Nausea
- Headache
Thyrotropin Alfa Serious Side Effects
Serious side effects are rare with Thyrotropin Alfa. Contact your healthcare provider immediately if you experience any of the following:
Thyrotropin Alfa-induced hyperthyroidism:
- Stroke
- Sudden rapid tumor enlargement
Effects of other drugs, drug classes and over-the-counter products on Thyrotropin Alfa
There are no major drug interactions listed for this medication. However, always let your physician and pharmacist know about any other medications or supplements (including prescribed and over-the-counter medications, vitamins, and dietary or herbal supplements) that you are currently taking.
Who makes Thyrotropin Alfa?
Various FDA-approved generic manufacturers
Is Thyrotropin Alfa safe in pregnancy?
Thyrotropin Alfa may be used in combination with radioiodine (RAI). If it is administered with RAI, the combination regimen is contraindicated in pregnant women.













