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  1. Addison's disease - Symptoms and causes - Mayo Clinic

    Dec 21, 2024 · Addison's disease also is known as primary adrenal insufficiency. A related condition is called secondary adrenal insufficiency. These conditions have different causes. Addison's disease, …

  2. Hypoglycemia - Symptoms and causes - Mayo Clinic

    Nov 18, 2023 · Low blood sugar can cause uncomfortable symptoms, such as dizziness and confusion, and can quickly become serious if left untreated.

  3. Low blood pressure (hypotension) - Symptoms and causes

    Jun 13, 2024 · Conditions such as Addison's disease that affect certain glands that make key hormones may cause blood pressure to drop. Low blood sugar, also called hypoglycemia, may lower blood …

  4. Hyperthyroidism - Symptoms and causes - Mayo Clinic

    Nov 30, 2022 · Several treatments are available for hyperthyroidism. Anti-thyroid medicines and radioiodine can be used to slow the amount of hormones the thyroid gland makes. Sometimes, …

  5. Hyponatremia - Symptoms and causes - Mayo Clinic

    Jul 18, 2025 · Hyponatremia is the term used when your blood sodium is too low. Learn about symptoms, causes and treatment of this potentially dangerous condition.

  6. Hypothyroidism (underactive thyroid) - Symptoms and causes

    Dec 10, 2022 · Overview Hypothyroidism happens when the thyroid gland doesn't make enough thyroid hormone. This condition also is called underactive thyroid. Hypothyroidism may not cause noticeable …

  7. Urinary tract infection (UTI) - Symptoms and causes - Mayo Clinic

    Learn about symptoms of urinary tract infections. Find out what causes UTIs, how infections are treated and ways to prevent repeat UTIs.

  8. Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)

    May 11, 2023 · Overview Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a complicated disorder. It causes extreme fatigue that lasts for at least six months. Symptoms worsen …

  9. DHEA - Mayo Clinic

    Mar 20, 2025 · Understand what DHEA is and the possible side effects associated with this supplement.

  10. Cushing syndrome - Symptoms and causes - Mayo Clinic

    Jun 7, 2023 · Cushing syndrome happens when the body has too much of the hormone cortisol for a long time. This can result from the body making too much cortisol, or from taking medicines called …