Armour Thyroid

DRUG DESCRIPTION

Armour® Thyroid (thyroid tablets, USP) for oral use is a natural preparation derived from porcine thyroid glands and has a strong, characteristic odor. (T3 liothyronine is approximately four times as potent as T4 levothyroxine on a microgram for microgram basis.) They provide 38 mcg levothyroxine (T4) and 9 mcg liothyronine (T3) per grain of thyroid. The inactive ingredients are calcium stearate, dextrose, microcrystalline cellulose, sodium starch glycolate and opadry white.

Armour® Thyroid
 (thyroid) Structural Formula Illustration

What are the possible side effects of desiccated thyroid (Armour Thyroid, Nature-Throid, Westhroid)?

Stop using desiccated thyroid and get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Less serious side effects may include temporary hair loss (especially in children).

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...

Read All Potential Side Effects and See Pictures of Armour Thyroid »

What are the precautions when taking thyroid tablets (Armour Thyroid)?

Before taking thyroid hormone, tell your doctor or pharmacist if you are allergic to it; or to pork products; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: increased thyroid hormones (thyrotoxicosis), decreased adrenal gland function, heart disease (such as coronary artery disease, irregular heartbeat), high blood pressure, diabetes.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Current information shows that this drug may be...

Read All Potential Precautions of Armour Thyroid »


Armour Thyroid Consumer (continued)

SIDE EFFECTS: Hair loss may occur during the first few months of treatment. This effect is usually temporary as your body adjusts to this medication. If this effect persists or worsens, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious effects of high thyroid hormone levels occur: increased sweating, sensitivity to heat, mental/mood changes (such as nervousness, mood swings), tiredness, diarrhea, shaking (tremor), headache, shortness of breath.

Get medical help right away if any of these rare but serious effects of high thyroid hormone levels occur: chest pain, fast/pounding/irregular heartbeat, swelling hands/ankles/feet, seizures.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: Before taking thyroid hormone, tell your doctor or pharmacist if you are allergic to it; or to pork products; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: increased thyroid hormones (thyrotoxicosis), decreased adrenal gland function, heart disease (such as coronary artery disease, irregular heartbeat), high blood pressure, diabetes.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Current information shows that this drug 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.


Armour Thyroid Patient Information Including Side Effects

Brand Names: Armour Thyroid, Nature-Throid, Westhroid

Generic Name: thyroid (desiccated) (Pronunciation: THYE roid (DES i kay ted))

  • What is desiccated thyroid (Armour Thyroid)?
  • What are the possible side effects of desiccated thyroid (Armour Thyroid)?
  • What is the most important information I should know about desiccated thyroid (Armour Thyroid)?
  • What should I discuss with my healthcare provider before taking desiccated thyroid (Armour Thyroid)?
  • How should I take desiccated thyroid (Armour Thyroid)?
  • What happens if I miss a dose (Armour Thyroid)?
  • What happens if I overdose (Armour Thyroid)?
  • What should I avoid while taking desiccated thyroid (Armour Thyroid)?
  • What other drugs will affect desiccated thyroid (Armour Thyroid)?
  • Where can I get more information?

What is desiccated thyroid (Armour Thyroid)?

Desiccated (dried) thyroid is a combination of hormones that are normally produced by your thyroid gland to regulate the body's energy and metabolism. Desiccated thyroid is given when the thyroid does not produce enough of this hormone on its own.

Desiccated thyroid treats hypothyroidism (low thyroid hormone). Desiccated thyroid is also used to treat or prevent goiter (enlarged thyroid gland), and is also given as part of a medical tests for thyroid disorders.

Desiccated thyroid should not be used to treat obesity or weight problems.

Desiccated thyroid may also be used for other purposes not listed in this medication guide.

What are the possible side effects of desiccated thyroid (Armour Thyroid)?

Stop using desiccated thyroid and get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Less serious side effects may include temporary hair loss (especially in children).

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.

What is the most important information I should know about desiccated thyroid (Armour Thyroid)?

Since thyroid hormone occurs naturally in the body, almost anyone can take desiccated thyroid. You should not use this medication if you have a thyroid disorder called thyrotoxicosis, or an adrenal gland problem that is not controlled by treatment.

Before taking desiccated thyroid, tell your doctor if you have heart disease, angina (chest pain), coronary artery disease, congestive heart failure, diabetes, or problems with your adrenal glands.

Tell your doctor if you are pregnant or breast-feeding.

To be sure this medication is helping your condition, your blood may need to be tested on a regular basis. Do not miss any follow-up visits to your doctor.

Keep using this medicine as directed, even if you feel well. You may need to use this medication for the rest of your life.

Call your doctor if you notice any signs of thyroid toxicity, such as chest pain, fast or pounding heartbeats, feeling hot or nervous, or sweating more than usual.

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