Armour Thyroid Side Effects Center

What Is Armour Thyroid?

Armour Thyroid (thyroid tablets) is a natural product made from animal thyroid glands used to treat hypothyroidism (low thyroid hormone), to treat or prevent goiter (enlarged thyroid gland), and is also given as part of a medical test for thyroid disorders. Armour Thyroid is available in generic form.

What Are Side Effects of Armour Thyroid?

Common side effects of Armour Thyroid include:

hair loss during the first few months of treatment

This side effect is usually temporary as your body adjusts to Armour Thyroid.

Contact your doctor if you experience serious side effects of Armour Thyroid including

allergic reactions

rash,



itching,



swelling [especially of the face/tongue/throat,]

severe dizziness,

trouble breathing),

increased sweating,

sensitivity to heat,

mental/mood changes (nervousness, mood swings),

tiredness,

diarrhea,

shaking (tremor),

headache,

shortness of breath,

chest pain,

fast/pounding/irregular heartbeat,

swelling hands/ankles/feet, or

seizures.

Dosage for Armour Thyroid

The dosage of Armour Thyroid is determined by the condition being treated and is individualized according to patient response and laboratory findings.

What Drugs, Substances, or Supplements Interact with Armour Thyroid?

Armour Thyroid may interact with birth control pills or hormone replacement therapy, blood thinners, insulin or oral diabetes medication, medications that contain iodine, salicylates such as aspirin and others, or steroids. Tell your doctor all medications you use.

Armour Thyroid During Pregnancy and Breastfeeding

Current information shows Armour Thyroid may be used during pregnancy. Tell your doctor if you are pregnant because your dose may need to be adjusted. Thyroid hormone passes into breast milk but is unlikely to harm a nursing infant. Consult your doctor before breast-feeding.

Additional Information

Our Armour Thyroid (thyroid tablets) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.