Skip to main content

St. Stephens Hospital

Learn what to expect when visiting the Emergency Department. Learn More

Thyroid Disorders

  • Home
  • Thyroid Disorders
  • September 5, 2026
  • 4 MINS READ

Patient Procedures

Understanding Thyroid Disorders

Your thyroid is a small, butterfly-shaped gland located at the base of your neck. It produces hormones that regulate almost every major function in your body, from your heart rate to how fast you burn calories (metabolism).

A thyroid disorder occurs when this gland produces either too much hormone (hyperthyroidism) or not enough hormone (hypothyroidism), throwing your body completely out of balance.

Signs & Symptoms

Symptoms depend heavily on whether your thyroid is overactive or underactive:

  • Hypothyroidism (Underactive): Causes the body to slow down. Symptoms include chronic fatigue, unexplained weight gain, sensitivity to cold, dry skin, thinning hair, constipation, and depression.
  • Hyperthyroidism (Overactive): Causes the body to speed up. Symptoms include unexplained weight loss, rapid or irregular heartbeat, anxiety, tremors, sweating, sensitivity to heat, and difficulty sleeping.
  • Physical Signs: You may develop a goiter, which is a visible swelling or lump at the base of your neck.

Causes & Risk Factors

Thyroid disorders are incredibly common, particularly in women. Common causes include:

  • Hashimoto's Disease: An autoimmune disorder where the immune system attacks the thyroid, causing hypothyroidism.
  • Graves' Disease: An autoimmune disorder that forces the thyroid to overproduce hormones, causing hyperthyroidism.
  • Iodine Deficiency: The thyroid needs iodine to produce hormones. A lack of it in the diet can cause disorders.
  • Thyroid Nodules: Non-cancerous lumps inside the thyroid that can begin producing excess hormones.
  • Genetics: A strong family history of thyroid or autoimmune diseases significantly increases your risk.

Diagnosis & Tests

Thyroid issues can be diagnosed quickly and accurately through specific testing:

  • Blood Tests: The TSH (Thyroid Stimulating Hormone) test is the gold standard. High TSH indicates an underactive thyroid, while low TSH indicates an overactive thyroid. T3 and T4 levels are also checked.
  • Thyroid Ultrasound: Used to visualize the gland and investigate the size and characteristics of any nodules.
  • Radioactive Iodine Uptake Test: Used to determine why the thyroid is overactive.

Treatment & Management

Thyroid disorders require lifelong management, but treatments are highly effective:

  • For Hypothyroidism: Treated with a daily synthetic thyroid hormone pill (Levothyroxine) that restores normal hormone levels, reversing the symptoms almost entirely.
  • For Hyperthyroidism: Treated with anti-thyroid medications to stop hormone production, or radioactive iodine therapy to shrink the gland.
  • Surgery: A thyroidectomy (surgical removal of part or all of the thyroid) may be required for severe hyperthyroidism, large goiters that restrict breathing, or suspected thyroid cancer.

Why Choose St. Stephen's Hospital for Thyroid Disorders?

Because thyroid symptoms mimic many other conditions, getting an accurate diagnosis requires true expertise. At St. Stephen’s Hospital, our Department of Endocrinology houses leading experts in hormonal imbalances. We offer comprehensive diagnostic labs and advanced ultrasound imaging in one facility, ensuring you receive a rapid, accurate diagnosis.

Whether you require medical management to balance your hormones or specialized endocrine surgery for nodules, our team is dedicated to restoring your health and energy. Book an appointment with our endocrinologists today.

Frequently Asked Questions (FAQs)

While most thyroid conditions (like Hashimoto's or Graves' disease) cannot be permanently "cured," they can be completely controlled. With the correct daily medication and regular monitoring, patients with thyroid disorders live completely normal, healthy lives without symptoms.

Hypothyroidism slows down your metabolism, which can lead to weight gain (usually 5 to 10 pounds of mostly salt and water). However, once you start taking the correct dose of thyroid hormone replacement medication, your metabolism will normalize, and the weight can be lost.

While exact ranges vary slightly between labs, a normal TSH level for a healthy adult is generally considered to be between 0.5 and 5.0 milli-international units per liter (mIU/L).

Stress alone does not directly cause a thyroid disorder. However, severe physical or emotional stress can trigger an underlying autoimmune condition (like Hashimoto's or Graves' disease) to become active, leading to thyroid dysfunction.

Yes, it is perfectly safe, provided your thyroid levels are closely monitored and controlled. Thyroid hormones are crucial for fetal brain development, so your endocrinologist will likely adjust your medication dose throughout your pregnancy.

The vast majority of thyroid nodules (over 90%) are completely benign (non-cancerous). However, if an ultrasound shows a suspicious nodule, your doctor will perform a simple, quick fine-needle biopsy to rule out thyroid cancer.

You should avoid eating massive amounts of raw cruciferous vegetables (like broccoli, cabbage, and cauliflower) and soy products, as they can interfere with how your body absorbs thyroid medication. Always take your thyroid medication on an empty stomach for maximum absorption.

SHARE THIS ARTICLE
Emergency Call Now Information