
Armour Thyroid is a prescription oral tablet used to treat thyroid disorders in adults and children. It is a thyroid replacement hormone that can cause side effects ranging from mild to severe. While muscle pain is not a documented side effect of Armour Thyroid, the medication is associated with a range of adverse reactions, including joint pain, muscle cramps, fever, increased heat sensitivity, and menstrual cycle changes in women. In rare cases, low thyroid hormones can coincide with low adrenal hormones, and taking thyroid replacement hormones can cause adrenal hormones to drop further, resulting in symptoms such as long-lasting tiredness, muscle weakness, and loss of appetite. It is important to consult a healthcare provider to ensure that any medication is suitable for one's personal circumstances.
| Characteristics | Values |
|---|---|
| Common Side Effects | Fast heart rate, sweating, hair loss, weight loss, weight gain, allergic reaction, insomnia, anxiety, irritability, tremors, fever, increased heat sensitivity, appetite changes, menstrual cycle changes in women |
| Rare Side Effects | Strokes, seizures, shock, coma, death, high blood pressure, confusion, disorientation, sleep disturbances, heart changes, weak bones, reduced bone density (osteopenia), osteoporosis |
| Overdose Symptoms | Racing heart, chest pain, shortness of breath, anxiety, irritability, tremors, insomnia, sweating |
| Risk Factors | Older adults, people with heart problems, high dosage |
| Drug Interactions | Oral anticoagulants, insulin, oral diabetes medications, cholesterol medications, oral contraceptives, calcium carbonate, ferrous sulfate, cholesterol medications, proton pump inhibitors, antacids, hormones, testosterone, methadone, nonsteroidal anti-inflammatory drugs, antibiotics, beta-blockers, weight loss medications |
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What You'll Learn

Side effects of an allergic reaction
Armour Thyroid is a prescription oral tablet used to treat thyroid disorders in adults and children. Side effects of the drug range from mild to severe and typically occur when the dosage is too high. An allergic reaction to Armour Thyroid can be mild or serious.
- Mild rash
- Redness
- Itching
- Hives
- Watery eyes
- Sneezing
- Coughing
- Congestion
If you experience any of the above symptoms, call your doctor right away. They may suggest a treatment to manage your symptoms and determine whether you should continue taking Armour Thyroid.
- Swelling of the face, throat, or mouth
- Tightness in the throat
- Trouble breathing
- Skin, tongue, or lips turning blue, grey, or pale
- Confusion, drowsiness, or dizziness
- Anaphylaxis
If you experience any of the above symptoms, call 911 or your local emergency number immediately. These symptoms could be life-threatening and require urgent medical attention. If your doctor confirms a severe allergic reaction to Armour Thyroid, they may recommend switching to alternative treatment options.
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Overdose symptoms and overdose toxicity
Armour Thyroid (desiccated thyroid) is a prescription oral tablet used to treat certain thyroid disorders in adults and children. Side effects of Armour Thyroid are typically only observed when the dosage is too high. These side effects can range from mild to severe and may sometimes require medical attention.
Armour Thyroid overdose symptoms can vary from mild to severe. Mild symptoms include a mild rash, while severe symptoms include swelling or trouble breathing. If you experience any of these symptoms, you should seek immediate medical attention. In the case of severe symptoms, call 911 or your local emergency number right away.
Other overdose symptoms include a racing heart, chest pain, shortness of breath, anxiety, irritability, tremors, insomnia, and sweating. These symptoms may indicate thyroid toxicity, which requires medical attention. It is important to consult a doctor if you experience any unusual or persistent side effects.
In addition to the above, high blood pressure and weight gain can occur as a result of Armour Thyroid overdose. High blood pressure can be a consequence of low thyroid levels (hypothyroidism) and may persist even with treatment. Weight gain is also associated with low thyroid hormone levels, which Armour Thyroid is prescribed to treat.
If signs of overdose appear, it is recommended to reduce the dosage or temporarily discontinue the medication. Normal hypothalamic-pituitary-thyroid axis function can typically be restored within 6 to 8 weeks after thyroid suppression. It is crucial to consult a healthcare provider before making any changes to your medication.
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Heart problems and abnormal heart rate
The thyroid gland releases hormones that affect the heart. Armour Thyroid is a prescription oral tablet used to treat certain thyroid disorders in adults and children. It can cause side effects that range from mild to serious, and these usually only occur if the levels of thyroid hormones in your system are too high.
Armour Thyroid can cause a fast heart rate, which is a side effect of too much thyroid hormone. Too much thyroid hormone can also trigger abnormal heart rhythms and high blood pressure. This is called hyperthyroidism, which is far less common than hypothyroidism, affecting less than 1% of the population. However, it can harm the heart. Excess thyroid hormone causes the heart to beat harder and faster and may trigger abnormal heart rhythms, such as atrial fibrillation, a disorganized rhythm in the heart's upper chambers. A related symptom is palpitations, a sudden awareness of your heartbeat. People with hyperthyroidism may also have high blood pressure. In a person with clogged, stiff heart arteries, the combination of a forceful heartbeat and elevated blood pressure may lead to chest pain or angina.
On the other hand, hypothyroidism, or insufficient thyroid hormone, can also affect the heart and circulatory system. It slows the heart rate and may boost blood pressure and cholesterol levels. This is because it also makes the arteries less elastic, so blood pressure rises to circulate blood around the body. Elevated cholesterol levels, which contribute to narrowed, hardened arteries, are another possible consequence of low thyroid levels.
Armour Thyroid can cause side effects that mimic heart disease or make existing heart disease worse. For example, a 32-year-old male with a history of hypothyroidism presented to the emergency room with substernal chest pain radiating to his left shoulder, accompanied by sweating and shortness of breath. He was self-administering 120 mg of Armour Thyroid daily. His electrocardiogram revealed marked ST-segment elevation in the anterior chest leads, and he underwent an emergent coronary angiogram, which confirmed an occluded left anterior descending artery. In this case, the patient's myocardial infarction was likely due to drug interaction between Armour Thyroid and exogenous testosterone therapy.
If you experience chest pain, a fast, irregular, pounding, or racing heartbeat or pulse, excessive sweating, heat intolerance, nervousness, or any other unusual medical condition while taking Armour Thyroid, call your doctor right away.
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Weight loss and weight gain
Armour Thyroid is a prescription oral tablet used to treat certain thyroid disorders in adults and children. It is a natural porcine derivative thyroid supplement that contains thyroid hormones. While Armour Thyroid is not expected to cause weight gain, weight gain is a symptom typically associated with hypothyroidism, which the drug is prescribed to treat. If you experience weight gain while taking Armour Thyroid, it may be a sign that your dosage needs adjustment. It is important to consult your doctor to determine the appropriate course of action.
Armour Thyroid is not intended for weight loss and can have serious side effects if taken for this purpose. The drug manufacturer has included a warning against using it as a weight-loss aid. When taken in larger amounts, Armour Thyroid can lead to dangerously high thyroid hormone levels, resulting in serious or even life-threatening side effects such as a racing heart rate. In euthyroid patients, doses within the daily hormonal requirements are ineffective for weight reduction.
However, correcting low thyroid hormone levels with Armour Thyroid may lead to weight loss rather than weight gain. While weight gain is not a typical side effect of Armour Thyroid, it is important to consult a doctor if unexpected weight gain occurs while taking the medication. They can help determine the underlying cause and make any necessary adjustments to your treatment plan.
It is important to note that Armour Thyroid should only be taken as prescribed by a doctor. Self-administration of the drug, especially in combination with other supplements, can lead to significant health risks, including myocardial infarction and alterations in clotting factors. Always consult your healthcare provider to ensure the information applies to your personal circumstances.
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Adrenal hormones and diabetes medications
Armour Thyroid is a prescription oral tablet used to treat certain thyroid disorders in adults and children. Side effects range from mild to serious and typically only occur if you take too much of the drug. These side effects include a fast heart rate, sweating, hair loss, weight gain, and joint pain or muscle cramps. In more serious cases, taking too much Armour Thyroid can lead to overdose symptoms, including chest pain, shortness of breath, anxiety, tremors, and insomnia. In some cases, it may even cause strokes, seizures, shock, coma, or death.
Now, regarding your question about adrenal hormones and diabetes medications, here is some detailed information:
The adrenal glands are small glands located above each of your kidneys. These glands produce two main types of hormones: cortisol and aldosterone. Cortisol is a glucocorticoid that helps reduce inflammation, stimulate gluconeogenesis, inhibit muscle glucose uptake, increase fatty acid production, and regulate blood sugar levels. Aldosterone helps to balance salt, potassium, and water in the bloodstream, control the immune system and stress response, maintain normal blood pressure, and manage sexual development. Adrenal disorders occur when these glands produce too much or too little of these hormones.
Certain medications, such as steroids, can harm the adrenal glands. Additionally, issues with other glands, such as the pituitary gland, can impact the function of the adrenal glands. People with autoimmune diseases, previous surgeries on the adrenal gland, or chronic diseases like tuberculosis, may have a higher risk of developing adrenal disorders.
Adrenal disorders can result in glucose intolerance or diabetes mellitus. Cushing's syndrome, for example, is characterized by excessive glucocorticoid secretion, which impairs glucose tolerance and causes insulin resistance. On the other hand, phaeochromocytoma and hyperaldosteronism impair glucose tolerance by inhibiting insulin release. People with Cushing's syndrome, Conn's syndrome, or phaeochromocytoma often have glucose intolerance, diabetes, or hypertension.
Failure to diagnose or treat patients with adrenal disorders can be fatal. An adrenal crisis, a severe lack of cortisol, is a medical emergency requiring immediate intravenous hydrocortisone and saline infusion. Adrenal insufficiency can cause hypoglycaemia in patients with insulin-treated diabetes. Therefore, it is crucial for patients with both conditions to understand the safety rules for managing them.
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Frequently asked questions
Armour Thyroid can cause side effects ranging from mild to severe. Some common side effects include a fast heart rate, sweating, hair loss, weight loss, and joint pain or muscle cramps. In rare cases, it can also cause heart problems, especially if the dosage is too high.
If you experience muscle pain or any other side effects after taking Armour Thyroid, you should contact your doctor or healthcare provider immediately. They will be able to advise you on any necessary adjustments to your medication or treatment.
Yes, Armour Thyroid can cause an allergic reaction in some individuals. Symptoms can range from mild, such as a rash, to severe, including swelling or trouble breathing. If you experience any signs of an allergic reaction, seek medical attention right away.











































