Gaining Weight? Always Tired? Your Thyroid May be the Culprit.

If you've had unexplained weight gain or fatigue, it might be time to check your thyroid. Here are signs of an over- or under-active thyroid, and treatments.
doctor checking womans throat or thyroid thyroid disorders FEATURE

The thyroid, a small butterfly-shaped gland located in the neck, plays a crucial role in regulating various bodily functions through the production of hormones. When the thyroid malfunctions, it can lead to thyroid disorders, impacting metabolism, energy levels, and overall well-being. This article explores the common symptoms, diagnostic procedures, and treatment options for thyroid disorders, shedding light on a condition affecting millions worldwide.

Thyroid Disorders: An Overview

thyroid gland

Hypothyroidism occurs when the thyroid gland underproduces hormones, particularly thyroxine (T4) and triiodothyronine (T3). Common symptoms include fatigue, weight gain, cold intolerance, dry skin, and depression. Hypothyroidism is often caused by autoimmune conditions like Hashimoto’s thyroiditis, where the immune system attacks the thyroid tissue.

In contrast, hyperthyroidism results from an overactive thyroid gland, leading to excessive hormone production. Symptoms include weight loss, rapid heartbeat, anxiety, heat intolerance, and tremors. Graves’ disease, an autoimmune disorder, is a common cause of hyperthyroidism.

Symptoms of Thyroid Disorders

tired woman sitting on the couch

Understanding the differences between the various thyroid disorders will help you better understand and recognize what may be happening with your health. Both hypothyroidism and hyperthyroidism can cause fatigue. In hypothyroidism, low hormone levels lead to a sluggish metabolism, while hyperthyroidism accelerates metabolic processes, often resulting in increased energy expenditure and subsequent fatigue.

Unexplained weight gain is a hallmark of hypothyroidism, while hyperthyroidism is associated with weight loss despite increased appetite. Thyroid disorders can disrupt the body’s ability to regulate weight effectively.

Thyroid disorders can affect more than your energy and weight, though. For example, hyperthyroidism may cause an elevated heart rate (tachycardia), palpitations, or irregular heart rhythms, reflecting the increased metabolic demand on the cardiovascular system.

You may also notice that you experience mood changes if you’ve got thyroid disorders, which can influence mood and mental health. Hypothyroidism may contribute to depression, while hyperthyroidism can lead to anxiety and irritability.

Issues with your thyroid can also wreak havoc on your physical appearance. Dry skin, brittle nails, and hair loss are common symptoms of hypothyroidism, whereas hyperthyroidism may cause excessive sweating and thinning hair. Finally, Thyroid disorders can disrupt the menstrual cycle, leading to irregular periods or, in severe cases, amenorrhea.

Diagnostic Procedures

doctor checking a womans thyroid

There are several methods to check to see if your thyroid isn’t working properly. These include:

  • Blood Tests – Thyroid function tests, including thyroid-stimulating hormone (TSH), T3, and T4 levels, are essential for diagnosing thyroid disorders. Elevated TSH may indicate hypothyroidism, while low TSH levels can suggest hyperthyroidism.
  • Imaging – Ultrasound imaging can provide a detailed view of the thyroid gland’s structure, helping identify nodules, inflammation, or abnormalities. Radioactive iodine scans are also used to assess thyroid function and detect anomalies.
  • Fine Needle Aspiration (FNA) Biopsy – If nodules are detected, an FNA biopsy may determine whether they are cancerous or benign.

Treatment Options

woman walking outside

Once a diagnosis has been made, you must work with your medical provider to find some relief from the symptoms of a thyroid disorder. This can include prescribed medications. For hypothyroidism, synthetic thyroid hormone replacement medications, such as levothyroxine, are prescribed to normalize hormone levels. In hyperthyroidism, medications like methimazole or propylthiouracil may be used to inhibit hormone production.

Your physician may also consider Radioactive Iodine Therapy. This treatment involves the oral ingestion of radioactive iodine, which selectively destroys thyroid cells, particularly in cases of hyperthyroidism or thyroid cancer.

If prescription medications and other treatments aren’t adequate, you may have to go in for surgery. The surgical removal of part or all of the thyroid gland (thyroidectomy) may be necessary in cases of large goiters, suspicious nodules, or certain types of thyroid cancer.

While the other treatment options are a bit more aggressive, one way to start treating an over- or under-active thyroid is simple lifestyle modifications. Adopting a healthy lifestyle can support thyroid function. Nutrient-rich diets, regular exercise, stress management, and adequate sleep contribute to overall well-being and may positively impact thyroid health.

Conclusion

Thyroid disorders are prevalent conditions that significantly impact the lives of those affected. Recognizing the symptoms, seeking timely diagnosis, and exploring appropriate treatment options are crucial steps in managing thyroid-related issues. Whether it’s hypothyroidism slowing down bodily functions or hyperthyroidism accelerating them to an unsustainable pace, understanding these disorders empowers individuals to take control of their health.

If you suspect a thyroid disorder, consult with a healthcare professional for comprehensive evaluation and personalized treatment. The complexities of thyroid function underscore the importance of awareness, education, and ongoing research to improve the lives of those dealing with these conditions.

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