What is Thyrogen: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 30, 2020

Thyrogen overview

BRAND NAMES:

  • Thyrogen

Generic Names:

  • Thyrogen

Uses:

  • Treats thyroid cancer. Also used as part of a test to detect or monitor thyroid cancer.

Therapeutic Classes:

  • Diagnostic Agent, Thyroid Function

Forms:

  • Injectable

How it’s taken:

  • By injection

What is Thyrogen used for?

Thyrogen is used by patients undergoing thyroid treatment to manage their thyroid-stimulating hormone levels. It works by keeping thyroid-stimulating hormones at a steady rate.

What form(s) does Thyrogen come in

  • Injectable

What are common Thyrogen doses?

  • Solution Reconstituted 1.1MG

Common Thyrogen prescriptions

  • Thyrogen
    0.9mg solution reconstituted

  • Thyrogen
    1.1mg solution reconstituted

How to take Thyrogen

  • Your doctor will have instructions for you on how to get ready for your treatment. Check with your doctor ahead of time if you have not received instructions or you do not understand them.

  • Drink extra fluids before treatment with this medicine.

  • Injection routeYour doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot into one of your muscles.

  • Injection routeYou will receive this medicine while you are in a hospital or cancer treatment center. A nurse or other trained health professional will give you this medicine.

  • Your doctor may want you to receive glucocorticoids (steroids) before receiving this medicine.

  • Injection routeYou will receive this medicine while you are in a hospital or cancer treatment center. A nurse or other trained health professional will give you this medicine.

  • Your doctor may want you to receive glucocorticoids (steroids) before receiving this medicine.

  • Your doctor will have instructions for you on how to get ready for your treatment. Check with your doctor ahead of time if you have not received instructions or you do not understand them.

  • Injection routeYour doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot into one of your muscles.

  • Drink extra fluids before treatment with this medicine.

What to do if you miss a dose of Thyrogen

Thyrogen contraindications

  • This medicine is not right for everyone. You should not receive it if you had an allergic reaction to thyroid stimulating hormone (TSH).

Thyrogen warnings

  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, heart disease, nerve problems, a history of migraine headaches, stroke, or have any other cancer or tumors. Tell your doctor if you smoke.

  • This medicine may cause the following problems:Increased risk of strokeSudden, rapid, and painful growth of thyroid tumors

  • This medicine may be given together with radioiodine. You will be exposed to radiation while receiving radioiodine. Talk with your doctor about precautions that you should take for yourself and for the people around you.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

Thyrogen interactions

  • Call your doctor right away if you have trouble moving your legs or arms, trouble speaking, a severe headache, or weakness after you receive this medicine.

  • Some medicines can affect how thyrotropin alfa works. Tell your doctor if you are also using birth control pills.

  • This medicine can cause sudden, rapid, and painful growth of thyroid tumors. Tell your doctor right away if you have noisy breathing, trouble breathing, or voice changes.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

Thyrogen side effects

Serious Side Effects

  • Pain or weakness in your arm or leg, or on one side of your body

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Confusion, severe headache, trouble speaking

  • Loss of vision, troubled breathing, voice changes

Less Serious Side Effects

  • Mild headache

  • Pain, itching, burning, swelling, or a lump under your skin where the shot was given

  • Nausea

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