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  1. Hypothyroidism (underactive thyroid) - Symptoms and causes

    Dec 10, 2022 · The most common cause of hypothyroidism is an autoimmune disease called Hashimoto's disease. Autoimmune diseases happen when the immune system makes …

  2. Hashimoto's disease - Symptoms & causes - Mayo Clinic

    Apr 30, 2025 · Thyroid hormones are essential for the healthy function of many body systems. Therefore, when Hashimoto's disease and hypothyroidism are left untreated, many …

  3. Hyperthyroidism - Symptoms and causes - Mayo Clinic

    Nov 30, 2022 · Hyperthyroidism can be caused by several medical conditions that affect the thyroid gland. The thyroid is a small, butterfly-shaped gland at the base of the neck.

  4. Goiter - Symptoms & causes - Mayo Clinic

    Apr 29, 2025 · The damaged and inflamed tissues of the thyroid don't produce enough hormones (hypothyroidism). When the pituitary gland detects the decline and prompts the thyroid to …

  5. Hypothyroidism (underactive thyroid) - Mayo Clinic

    Dec 10, 2022 · Understand what happens when your thyroid is underactive and learn about treatment for this condition.

  6. Hashimoto's disease - Diagnosis & treatment - Mayo Clinic

    Apr 30, 2025 · To determine if Hashimoto's disease is the cause of hypothyroidism, your health care provider will order an antibody test. The intended purpose of an antibody is to flag …

  7. Hypoparathyroidism - Symptoms & causes - Mayo Clinic

    Jun 21, 2025 · If you've had surgery or radiation involving your thyroid or neck, be aware of possible hypoparathyroidism symptoms. These can include a tingling or burning feeling in the …

  8. Thyroid nodules - Symptoms & causes - Mayo Clinic

    Jun 14, 2025 · Enlargement of your thyroid can expand the gland well beyond its typical size and cause a noticeable bulge in your neck. This can be caused by single or multiple nodules, also …

  9. Graves' disease - Symptoms and causes - Mayo Clinic

    Jun 14, 2024 · Learn about the symptoms, causes and treatment of this immune system condition that results in too much thyroid hormone.

  10. Hypothyroidism: Does it cause joint pain? - Mayo Clinic

    Mar 2, 2023 · For some people, hypothyroidism that hasn't been treated can lead to joint and muscle problems. Specifically, hypothyroidism may cause: Muscle aches, tenderness and …