Understanding the Thyroid: Functions, Disorders & Treatment

Understanding the Thyroid: Functions, Disorders & Treatment

Sep 27, 2025

Common Thyroid Disorders

  1. Hypothyroidism – When the thyroid produces too little hormone, leading to fatigue, weight gain, and dry skin.

  2. Hyperthyroidism – When too much hormone is produced, causing weight loss, anxiety, and rapid heartbeat.

  3. Goiter – Enlargement of the thyroid gland.

  4. Thyroid nodules – Lumps that may form within the gland, usually harmless but sometimes requiring further evaluation.

Symptoms of Thyroid Issues

  • Unexplained weight changes

  • Fatigue or restlessness

  • Swelling in the neck

  • Mood changes or sleep disturbances

  • Irregular heartbeat

Diagnosis

Doctors use blood tests (TSH, T3, T4 levels), ultrasound scans, or biopsies to check thyroid function and detect abnormalities.

Treatment Options

  • Medication – Thyroid hormone replacement or medicines to control hormone production.

  • Radioactive iodine therapy – Used in some hyperthyroidism cases.

  • Surgery (Thyroidectomy) – For large goiters, nodules, or suspected cancer.

Conclusion

The thyroid may be small, but it has a big impact on health. Regular check-ups and timely treatment help keep thyroid-related conditions under control and improve quality of life.

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