Hyperthyroidism Center - Ontario, CA
Ontario Endocrinologist Doctors for HyperthyroidismType of Physician: Endocrinologist What is a Endocrinologist? A subspecialty certification by the Board of Internal Medicine; practitioners treat disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. Endocrinology also deals with disorders such as diabetes, metabolic and nutritional disorders, pituitary diseases, and menstrual and sexual problems. Specialty: Endocrinology Common Name: Endocrinologist Doctors in Ontario * Mahmoud Ibrahim MD  Henry Chen MD  Chaparral Medical Group Inc  Chaparral Medical Group Inc  Chaparral Medical Group Inc  La Verne Medical Group  Zuhair O Yahya MD  Tarcisio C Diaz MD  Marc S Gutin MD  Advanced Oncology Center Inc  Arsalan Geula MD  Robert A Bonner MD  Freddie P Dial MD  Ivan P Martinez MD  Michael Riley MD  Riverside Medical Clinic  Internal Medicine Specialists Medical Groups  George T Yang MD  Endocrinology Medical Group Of Orange County  St Jude Heritage Medical Group Bastanchury  St Jude Heritage Medical Group Bastanchury  St Jude Heritage Medical Group Bastanchury  St Jude Heritage Medical Group Bastanchury  Ivy-Joan E Madu MD  Thira Kunakornskul MD  Aleem A Syed MD  Nathan Eitan MD  Health Educators Medical Group  Health Care Partners Arcadia  LLUHC Endocrinology  LLUHC Endocrinology  Loma Linda University Healthcare Gynecology & Obstetrics  Edward A Reece MD  Nirmal Banskota MD  Narendranath Reddy MD  Ridha A Hajjar MD  Betty Jelen MD  Chau M Le MD  Marshall K Grossman MD  Yan Leung MD  Womens Medical Group of Irvine  Valley Endocrine & Diabetes Consultants Inc  Valley Endocrine & Diabetes Consultants Inc  South County Kidney & Endocrine Center  South County Kidney & Endocrine Center  South County Kidney & Endocrine Center  South Orange County Endocrinology  South Orange County Endocrinology  South Orange County Endocrinology  Chris Tsimerekis MD Inc  Gamini Hethumuni MD  Frederick O Lee MD  Michael W Lin MD  UCI Multispecialty Medical Group  Jannet Huang MD  Beaver Medical Group Redlands  Saddlebrook Medical Group  John W Geier MD  Walter H Shiau MD  Hirofumi Sohara, MD  Lord A Lee-Benner MD  Los Alamitos Cardiovascular  Jeffrey Punim MD  Huntington Medical Foundation  Eastside Diabetic Care  David Berger MD  Newport Center Medical Group  Dorothea E Spambalg MD  Dorothea E Spambalg MD  Mission Internal Medical Group  Ali Reza Moattari MD  Mission Internal Medical Group  South Coast Endocrinology  Mission Internal Medical Group  Mission Internal Medical Group  Ralph B Martin MD Inc  Center For Metabolic Bone Disease Endocrinology  Paul Rosenblit MD  Duc H Do MD  Kris V Iyer MD  Farzana Naqvi & Syed S Naqvi MDs  Coast Diabetes & Endocrinology  Minou Tran MD  Endocrinology & Diabetes Specialty Group Inc  Endocrinology & Diabetes Specialty Group Inc  Michael J Perley MD  Lakewood Internal Medicine Group Inc  VA Medical Center  USC Internal Medicine  Diana Echeverry-Franck MD  Gabrielle O'Connor MD  Richard A Wigod MD  Kathleen L Kornafel MD  West Coast Endocrine Inc  Healthcare Partners Atlantic Avenue  Mario I Brakin MD  Stephen M Damiani DO  LAC / Martin Luther King Jr General Hospital  Drs Berkson& Mac  Drs Berkson& Mac Ontario, CaliforniaUpcoming Local Events2012-06-09
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HyperthyroidismRead the Hyperthyroidism article » What is hyperthyroidism?Hyperthyroidism is a condition in which an overactive thyroid gland is producing an excessive amount of thyroid hormones that circulate in the blood. ("Hyper" means "over" in Greek). Thyrotoxicosis is a toxic condition that is caused by an excess of thyroid hormones from any cause. Thyrotoxicosis can be caused by an excessive intake of thyroid hormone or by overproduction of thyroid hormones by the thyroid gland. Because both physicians and patients often use these words interchangeably, we will take some liberty by using the term "hyperthyroidism" throughout this article.
What are thyroid hormones?Thyroid hormones stimulate the metabolism of cells. They are produced by the thyroid gland. The thyroid gland is located in the lower part of the neck, below the Adam's apple. The gland wraps around the windpipe (trachea) and has a shape that is similar to a butterfly formed by two wings (lobes) and attached by a middle part (isthmus). The thyroid gland removes iodine from the blood (which comes mostly from a diet of foods such as seafood, bread, and salt) and uses it to produce thyroid hormones. The two most important thyroid hormones are thyroxine (T4) and triiodothyronine (T3) representing 99.9% and 0.1% of thyroid hormones respectively. The hormone with the most biological activity (for example, the greatest effect on the body) is actually T3. Once released from the thyroid gland into the blood, a large amount of T4 is converted to T3 - the more active hormone that affects the metabolism of cells. Thyroid hormone regulation--the chain of commandThe thyroid itself is regulated by another gland located in the brain, called the pituitary. In turn, the pituitary is regulated in part by thyroid hormone that is circulating in the blood (a "feedback" effect of thyroid hormone on the pit... Recommended Reading Related to HyperthyroidismFine-Needle Aspiration Biopsy of the Thyroid » What are thyroid nodules?The thyroid gland is found in the neck just below the "Adam's apple." This gland is responsible for producing thyroid hormone, which is an important hormone that stimulates the metabolism of the body. Between 4% and 7% of people in the United States have lumps (or nodules) in their thyroid gland that can be felt on examination. Like many things, the thyroid gland gets "lumpier" as we get older and the frequency of these nodules increases with age. In fact, many are found incidentally during routine examinations or radiology testing. Thyroid nodules are also more common in women than in men. In fact, ultrasound studies have found that up to one in every three women has at least one thyroid nodule that may be too small to notice. (Usually, a nodule needs to be greater than one centimeter in diameter for it to be felt.). Interestingly, because women have so many more nodules than men, the incidence of detected cancer is higher in women then in men by... Read the Fine-Needle Aspiration Biopsy of the Thyroid article » Other Related Hyperthyroidism ArticlesEmergency Contact for Ontario
Nearby Ontario Hospitals *Kindred Hospital Ontario San Antonio Community Hospital Montclair Hospital Medical Center Chino Valley Medical Center Rancho Specialty Hospital Casa Colina Centers for Rehabilitation Pomona Valley Hospital Medical Center San Dimas Community Hospital Kaiser Permanente Fontana Medical Center Aurora Charter Oak Hospital East Valley Hospital Medical Center Foothill Presbyterian Hospital Corona Regional Medical Center Citrus Valley Medical Center Inter Community Campus Kaiser Permanente Riverside Medical Center Corona Regional Medical Center Rehabilitation Parkview Community Hospital Medical Center Kindred Hospital San Gabriel Valley Riverside Community Hospital Placentia-Linda Hospital Kindred Hospital Brea Arrowhead Regional Medical Center Citrus Valley Medical Center Queen of the Valley Campus Doctor's Hospital West Covina Kaiser Permanente Anaheim Medical Center Vista Specialty Hospital of San Gabriel Valley Robert H Ballard Rehabilitation Hospital City of Hope National Medical Center Community Hospital of San Bernardino Kaiser Permanente Medical Center Baldwin Park St Jude Medical Center St Bernardine Medical Center Chapman Medical Center Whittier Hospital Medical Center Anaheim Regional Medical Center Loma Linda University Children's Hospital Loma Linda University Medical Center HealthBridge Children's Rehabilitation Hospital Western Medical Center Anaheim Greater El Monte Community Hospital VA Loma Linda Healthcare System Loma Linda University Medical Center East Campus Methodist Hospital St Joseph Hospital Children's Hospital Orange County Kindred Hospital La Mirada University Of California Irvine Medical Center Presbyterian Intercommunity Hospital BHC Alhambra Hospital Western Medical Center Santa Ana HEALTHSOUTH Tustin Rehabilitation Hospital Loma Linda University Behavioral Medicine Center Garden Grove Hospital & Medical Center Kindred Hospital Santa Ana Tustin Hospital & Medical Center Redlands Community Hospital Metropolitan State Hospital Aurora Las Encinas Hospital West Anaheim Medical Center Beverly Hospital Norwalk Community Hospital City of Angels Medical Center Ingleside Campus San Gabriel Valley Medical Center Anaheim General Hospital La Palma Intercommunity Hospital Garfield Medical Center Patton State Hospital Coast Plaza Doctors Hospital Coastal Communities Hospital Riverside County Regional Medical Center Monterey Park Hospital Alhambra Hospital Medical Center Kindred Hospital Westminster College Hospital Cerritos Kaiser Permanente Orange County Irvine Medical Center Featured Articles*Provider Directory Terms of Use: The WebMD 'Provider Directory' is provided by WebMD for use by the general public as a quick reference of information about Providers. The Provider Directory is not intended as a tool for verifying the credentials, qualifications, or abilities of any Provider contained therein. Inclusion in the Provider Directory does not imply recommendation or endorsement nor does omission in the Provider Directory imply WebMD disapproval. |
Suggested Reading on Hyperthyroidism by Our Doctors
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Related Diseases & Conditions
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Thyroid Cancer
- There are four major types of thyroid cancer: papillary, follicular, medullary, and anaplastic thyroid cancer. Tumors on the thyroid are referred to as thyroid nodules. Symptoms of thyroid cancer include swollen lymph nodes, pain in the throat, difficulty swallowing, hoarseness, and a lump near the Adam's apple. Treatment usually involves chemotherapy, surgery, radioactive iodine, hormone treatment or external radiation and depends upon the type of thyroid cancer, the patient's age, the tumor size, and whether the cancer has metastasized.
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Hypothyroidism
- Hypothyroidism is any state in which thyroid hormone production is below normal. Normally, the rate of thyroid hormone production is controlled by the brain at the pituitary. Hypothyroidism is a very common condition and the symptoms of hypothyroidism are often subtle.
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Thyroiditis
- Thyroiditis is the inflammation of the thyroid gland. The inflamed thyroid gland can release an excess of thyroid hormones into the blood stream, resulting in a temporary hyperthyroid state. Some forms of thyroiditis can be diagnosed based on tenderness and enlargement of the thyroid gland. A thyroid scan sometimes is used in making the diagnosis. Thyroiditis can also be diagnosed with a biopsy of the thyroid gland.
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Premature Ventricular Contractions (PVCs)
- Premature ventricular contractions (PVCs) are premature heartbeats originating from the ventricles of the heart. PVCs are premature because they occur before the regular heartbeat. There are many causes of premature ventricular contractions to include: heart attack, high blood pressure, congestive heart failure, mitral valve prolapse, hypokalemia, hypoxia, medications, excess caffeine, drug abuse, and myocarditis.
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Vitiligo
- Vitiligo is a condition in which the skin turns white due to the loss of pigment from the melanocytes, cells that produce the pigment melanin that gives the skin color.
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Thyroid Nodules
- Thyroid nodules are the most common endocrine problem in the United States. The term "thyroid nodule" refers to any abnormal growth that forms a lump in the thyroid gland. The vast majority of thyroid nodules are benign.
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Insomnia
- Insomnia is the perception or complaint of inadequate or poor-quality sleep because of difficulty falling asleep; waking up frequently during the night with difficulty returning to sleep; waking up too early in the morning; or unrefreshing sleep. Secondary insomnia is the most common type of insomnia. Treatment for insomnia include lifestyle changes, cognitive behavioral therapy, and medication.
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Night Sweats
- Night sweats are severe hot flashes that occur at night and result in a drenching sweat. In order to distinguish night sweats that arise from medical causes from those that occur because one's surroundings are too warm, doctors generally refer to true night sweats as severe hot flashes occurring at night that can drench sleepwear and sheets, which are not related to an overheated environment.
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Dizziness
- Dizziness is a symptom that is often applies to a variety of sensations including lightheadedness and vertigo. Causes of dizziness include low blood pressure, heart problems, anemia, dehydration, and more. Treatment of dizziness depends on the cause.
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Hypercalcemia (Elevated Calcium Levels)
- Hypercalcemia is a condition in which calcium levels in the blood are elevated. Hypercalcemia is associated with other conditions such as hyperparathyroidism, lung cancer, breast cancer, kidney failure, and elevated levels of vitamin D. Symptoms of hypercalcemia include constipation, nausea, abdominal pain, kidney stones, to name a few. Treatment depends on the cause of hypercalcemia.
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Thyroid Disease
- There are many types of thyroid disease. Some occur due to the function of the thyroid itself such as hypothyroidism, hyperthyroidism, Hashimoto's thyroiditis, etc. Some causes of thyroid disease occur due to problems with the structure of the thyroid gland such as goiters, thyroid nodules, and thyroid cancer. Treatment of thyroid disease depends on the cause of the disease.
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Gynecomastia
- Gynecomastia, an enlargement of the gland tissue in the male breast is the caused by an imbalance of hormones. Certain medical conditions may also lead to gynecomastia such as cirrhosis, malnutrition, disorders of the male sex organs, kidney failure, thyroid disorders, and medications. Gynecomastia is generally treated with medication, and if necessary surgery.
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Dry Skin
- Dry skin (xeroderma) may be caused by external factors, like cold temperatures, low humidity, harsh soaps, and certain medications, or internal factors, such as thyroid disease, diabetes, psoriasis, or Sjogren's syndrome. Symptoms and signs of dry skin include itching and red, cracked or flaky skin. The main treatment for dry skin is frequent, daily lubrication of the skin.
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Graves' Disease
- Graves' disease is an autoimmune disease that affects the thyroid. Some of the symptoms of Graves' disease include hand tremors, rapid heartbeat, trouble sleeping, enlarged thyroid, thinning of the skin or fine brittle hair. Causes of Graves' disease are thought to be multifactorial such as genes, gender, stress, and infection. Treatment for Graves' disease is generally medication.
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Thyroid Cancer
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Medications
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Procedures & Tests
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