Thyrotropin alfa (Injection)

Medically reviewed by Drugs.com. Last updated on Mar 3, 2022.

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Therapeutic Class: Diagnostic Agent, Thyroid Function

Pharmacologic Class: Thyrotropin

Uses for thyrotropin alfa

Thyrotropin alfa injection is a form of human thyroid stimulating hormone (TSH). It is used with or without radioactive iodine imaging to test the presence of thyroglobulin (Tg) in patients with thyroid cancer.

Thyrotropin alfa injection is also used with radioactive iodine to remove any remaining diseased thyroid tissue in patients with thyroid cancer who have had most or all of their thyroid gland removed.

Thyrotropin alfa is to be given only by or under the immediate supervision of your doctor.

Before using thyrotropin alfa

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For thyrotropin alfa, the following should be considered:

Allergies

Tell your doctor if you have ever had any unusual or allergic reaction to thyrotropin alfa or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric

Appropriate studies have not been performed on the relationship of age to the effects of thyrotropin alfa injection in children. Safety and efficacy have not been established.

Geriatric

Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of thyrotropin alfa injection in the elderly. However, elderly patients are more likely to have thyroid problems (eg, hyperthyroidism) which may require caution in patients receiving thyrotropin alfa.

Breastfeeding

There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.

Interactions with medicines

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.

Interactions with food/tobacco/alcohol

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

Thyrotropin alfa Injection