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How To Check For Overactive Thyroid

Other Causes Of Hyperthyroidism

How to Do a Self Thyroid Exam

Hyperthyroidism can also result from thyroid nodules. These are lumps that develop inside the thyroid and sometimes begin producing thyroid hormones. Large lumps may create a noticeable goiter. Smaller lumps can be detected with ultrasound. A thyroid uptake and scan can tell if the lump is producing too much thyroid hormone.

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What Are Commonoveractive Thyroid Symptoms

There are many symptoms that can accompany an overactive thyroid. Since the symptoms are so varied, they can be difficult to diagnose.

Some of the symptoms of hyperthyroidism are:

  • High metabolic rate
  • Irregular menstrual cycles or patterns
  • Arrhythmia or irregular heartbeat

Medically, tachycardia occurs when your heart rate is more than 100 beats per minute. In comparison, a normal adult resting heart rate is between 60 to 100 beats per minute. Arrhythmia occurs when the heartbeat is out of sequence. It may beat too fast, too slow, skip beats, or add beats.

As you can see, there are many different symptoms of hyperthyroidism. It can be difficult to identify them on your own. So, consult a medical practitioner who will help diagnose whether or not you have an overactive thyroid.

Additional Read: Guide to Thyroid Symptoms: How Do Iodine Levels Affect Your Thyroid Gland?

How Does A Blood Test For Hypothyroidism Work

How to test for hypothyroidism?

Itâs important to note that there is no hypothyroidism test that can check thyroid hormones andâbased only on those test resultsâconclusively determine if someone has hypothyroidism. Thatâs because both thyroid hormone testing and a physicianâs evaluation of symptoms and medical history is required for a diagnosis.

A blood test for hypothyroidism is based on your levels of thyroid-stimulating hormone and the thyroid hormones T3 and T4. Because TSH signals the thyroid gland to produce more thyroid hormones, unusually high levels of TSH can mean that your thyroid isnât making enough hormones.

A thyroid lab test might also measure T3 and T4 to reveal just how low your thyroid hormone levels are, which can help your healthcare provider decide on a treatment strategy.

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How To Manage Thyroid Disorders Naturally

Dietary and lifestyle adjustments can make a world of difference.

How to manage a thyroid disorder naturally. Image: iStock

Thyroid disorders can be unpleasant, uncomfortable, and potentially serious. While medication is the most common treatment, naturopath Nikki Warren says there are easy, natural ways of managing your hypo or hyperthyroidism.

The thyroid is a small, butterfly-shaped gland in the front of your neck. Responsible for producing hormones that influence your heart rate, your breathing, digestion, and body temperature, its a small but mighty part of your body.

But if your energy levels arent what they should be, your weight has suddenly and inexplicably fluctuated, or your inner thermostat is making you feel abnormally hot or cold, there could be something amiss with this gland.

If a thyroid disorder is suspected, your doctor will commonly request a TSH test. If thats within the normal range of 0.4 – 4.00 mU/L , generally no further investigations are conducted .

But there is some evidence to suggest optimal levels are actually 0.45 to 2.5 mIU/L, and of course, this all depends on your age, sex, and lifestyle factors.

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The thyroid gland is located at the front of your neck. Image: iStock

Symptoms Of Thyroid Goiters

Pin on Help with thyroid disease

Most thyroid goiters dont cause symptoms, but they will if the goiter continues to grow. In fact, small thyroid goiters may more commonly be detected by routine examination of the patients neck by a doctor or by some type of screening x-ray or scan for some other reason. The symptoms occur as the goiter becomes big enough that it presses on other structures in the neck.

Larger thyroid goiters most commonly produce symptoms of

  • A mass or lump in the neck.
  • Uncomfortable pressure sensation on the breathing tube
  • A sense of feeling like you need to swallow something or difficulty swallowing
  • Excess production of the thyroid hormone, thyroxine which include:
  • Unexplained weight loss
  • Rapid or irregular heart rate

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Hyperthyroidism Symptoms And Causes

By Annie Price, CHHC

Do you know the difference between hyperthyroidism vs hypothyroidism? Hyperthyroidism occurs when the thyroid gland becomes overactive. Hypothyroidism means the thyroid is underactive. Both conditions can cause a cascade of problems, because when the thyroid is not working properly, it can throw off many other vital functions of the body.

Doctors see hyperthyroidism in men and women, but this health condition occurs most often in women between the ages of 20 and 40. Hyperthyroidism in children is also possible. But it doesnt stop there its actually a condition that can affect our pets too, with feline hyperthyroidism cases being more prevalent than canine.

Do you think your thyroid is functioning as it should? Many times thyroid problems go unaddressed, especially in cases of subclinical hyperthyroidism or hypothyroidism. Is an overactive thyroid serious? Its important to know common signs of hyperthyroidism, or an overactive thyroid, because if left untreated, its a health condition that can cause even more to worry about, including serious heart problems.

Checking For Thyroid Nodules

Checking yourself for thyroid nodules shouldnt replace a doctors visit, of course, but these regular neck checks can help you detect changes early on.

To look for nodules, Dr. Kausel recommends that you:

  • Stand in front of a mirror
  • Extend your neck, lifting your chin toward the ceiling
  • Keep your neck muscles relaxed
  • Make a swallowing motion, perhaps by taking a sip of water
  • Watch the base of your neck for bumps, lumps, or protrusions
  • Touch the area, checking for enlargements

Dr. Kausel confirms the presence of thyroid nodules by performing specific tests, including radioactive iodine thyroid scans, ultrasounds, and fine-needle aspiration biopsies. Based on the type of growth you have and how it affects your health, Dr. Kausel might recommend a variety of approaches to manage your condition.

In some cases, this involves merely monitoring the nodule, but in others, she might recommend medications or surgery.

If you have concerns about thyroid disease or nodules, call Ana Maria Kausel MD Endocrinology, send a message to the team here on the website, or schedule an appointment today using the convenient online booking feature.

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Your Muscles Are Acting Up

Muscle twitching, cramping, and pain can be signs of hypothyroidism or hyperthyroidism. They can also indicate your electrolytesmainly calcium and sodiumare out of balance.

If you feel sudden and intense muscle pain when you havent done any strenuous physical activity, it might be because your thyroid function has changed.

Things That Can Affect Your Thyroid Function Results

Thyroid Problems Explained | Who should get a Thyroid Check?

Fasting Generally, you dont need to fast before doing a thyroid function test. However, not fasting is sometimes linked to a lower TSH level. This means your results might not pick up on mild hypothyroidism where your TSH levels are only mildly elevated.

Medications Some medications can interfere with your results so its important to tell your doctor about any drugs you take.

Pregnancy Being pregnant can also influence your results. So if youre pregnant make sure to discuss this with your doctor.

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Radioactive Iodine Uptake Test

A radioactive iodine uptake test, also called a thyroid uptake test, can help check thyroid function and find the cause of hyperthyroidism. The thyroid takes up iodine from the blood to make thyroid hormones, which is why this is called an uptake test. Your health care professional may ask you to avoid foods high in iodine, such as kelp, or medicines containing iodine for a week before the test.

For this test, you will swallow a small amount of radioactive iodine in liquid or capsule form. During the test, you will sit in a chair while a technician places a device called a gamma probe in front of your neck, near your thyroid gland. The probe measures how much radioactive iodine your thyroid takes up from your blood. Measurements are often taken 4 to 6 hours after you swallow the radioactive iodine and again at 24 hours. The test takes only a few minutes.

If your thyroid collects a large amount of radioactive iodine, you may have Graves disease, or one or more nodules that make too much thyroid hormone. You may have this test at the same time as a thyroid scan.

Even though the test uses a small amount of radiation and is thought to be safe, you should not have this test if you are pregnant or breastfeeding.

Treatment For An Overactive Thyroid

An overactive thyroid is usually treatable.

You’ll normally be referred to an endocrinologist to plan your treatment.

The main treatments are:

Radioiodine treatment


These are outlined below. You can also read a summary of the pros and cons of the treatments for an overactive thyroid, allowing you to compare the options.

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Symptoms Of An Overactive Thyroid

The thyroid produces hormones that affect things such as:

  • growth
  • metabolism

The hormones can also affect your heart rate and body temperature.

An overactive thyroid can cause a wide range of possible symptoms. Its unlikely youll experience all of them.

The symptoms may develop gradually or suddenly. For some people theyre quite mild. For others, they can be severe and significantly affect their life.

How To Test Your Thyroid Function

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You can test your thyroid function using a blood sample. The two main ways to collect a blood sample are:

  • a venous blood test a trained professional will use a needle to puncture a vein, usually in your arm, to collect a blood sample.
  • a finger-prick blood test using a lancet, you can prick your own finger and collect a small blood sample.

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Why Would I Need These Tests

The thyroid gland‘s hormones help control some of your body’s metabolic processes, such as heart rate, blood pressure, body temperature and weight. Too much or too little of these hormones can make you ill.

You might need thyroid tests if:

  • you have symptoms of hyperthyroidism or hypothyroidism
  • you are taking some form of thyroid hormone replacement treatment
  • you are female and being investigated for infertility

Very rarely, babies are born without a working thyroid gland. For this reason, all Australian newborns are screened for hypothyroidism with a TSH test using a drop of blood taken from a heel prick.

What More Should I Know About Thyroid Blood Tests

Ranges noted here are approximate your providers may differ slightly. Its important that you remember abnormal readings do not necessarily mean a thyroid disorder is present, as each test can be affected by a variety of factors.

No preparation is required for these tests. They can be taken any time of day without fasting.

Last reviewed by a Cleveland Clinic medical professional on 12/27/2019.


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What Are The Symptoms Of Hyperthyroidism

High amounts of T4, T3, or both can cause an excessively high metabolic rate. This is called a hypermetabolic state. When in a hypermetabolic state, you may experience a rapid heart rate, elevated blood pressure, and hand tremors. You may also sweat a lot and develop a low tolerance for heat. Hyperthyroidism can cause more frequent bowel movements, weight loss, and, in women, irregular menstrual cycles.

Visibly, the thyroid gland itself can swell into a goiter, which can be either symmetrical or one-sided. Your eyes may also appear quite prominent, which is a sign of exophthalmos, a condition thats related to Graves disease.

Other symptoms of hyperthyroidism include:

Other tests may be performed to further evaluate your diagnosis. These include:

Benefits And Limitation Of The Self

Thyroid Self Test: 4 Ways to Check your Thyroid at Home

An at-home self-exam known as the neck check can help you find thyroid lumps or enlargements on your own thyroid gland. These growths may point to any number of thyroid conditions from nodules and goiters to thyroid cancer.

Lumps in the neck can be caused by thyroid disease, and they can also be caused by a variety of other conditions, such as:

  • An infectious abscess
  • A traumatic injury

In general, a neck check is not considered the most accurate or reliable way to identify thyroid disease. You can have serious thyroid disease if you have a completely normal neck check. On the other hand, a major growth can often be a sign of an easily treatable condition, such as an iodine deficiency.

In the end, there are limitations as to what a neck check can tell you. A 2017 report from the U.S. Preventive Services Task Force concluded that neck palpation was able to detect thyroid nodules in only 11.6% of cases. Ultrasound, an imaging procedure using sound waves, was five times more accurate in detecting abnormal growths.

However, if you want to try it, this article will discuss all the necessary steps for performing a thyroid neck check at home.

Verywell / Emily Roberts

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What Is Postpartum Thyroiditis

Postpartum thyroiditis, or inflammation of the thyroid after giving birth, affects 10% of women. It often goes undiagnosed because symptoms are much like the baby blues that may follow delivery. Women with postpartum thyroiditis may feel very tired and moody.

Postpartum thyroiditis typically happens in two phases, though not everyone with the condition goes through both phases:

  • The first phase starts 1 to 4 months after giving birth and typically last 1 to 2 months. In this phase, you may have because the damaged thyroid leaks thyroid hormones out into the bloodstream.
  • The second phase starts about 4 to 8 months after delivery and lasts 6 to 12 months. In this phase, you may have because the thyroid has lost most of its hormones or because the immune attack is over and the thyroid may recover later.

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What Is The Thyroid Gland

The thyroid gland is a butterfly-shaped endocrine gland that is normally located in the lower front of the neck. The thyroids job is to make thyroid hormones, which are secreted into the blood and then carried to every tissue in the body. Thyroid hormones help the body use energy, stay warm and keep the brain, heart, muscles, and other organs working as they should.

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Are There Complications Of Hyperthyroidism

Thyroid storm is a rare but serious complication of hyperthyroidism. It happens when your thyroid makes and releases a large amount of thyroid hormone in a short amount of time. Thyroid storm is a life-threatening emergency that requires immediate medical attention.

Symptoms of thyroid storm include:

  • High fever a temperature between 104 degrees to 106 degrees Fahrenheit is common.
  • Rapid heart rate that can exceed 140 beats per minute.
  • Feeling agitated, irritable and/or anxious.
  • Congestive heart failure.
  • Loss of consciousness.

A complication of Graves disease, one of the causes of hyperthyroidism, is called Graves eye disease . This condition can usually not be prevented. Graves eye disease can cause the following complications:

  • Bulging eyes.

Thyroid Testing: How It Works

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Thyroid tests use a blood sample to measure various hormone levels. Thyroid-stimulating hormone , for example, is often measured to indirectly check if your thyroid gland is producing enough thyroid hormones. TSH levels are usually higher than normal if you have an underactive thyroid .

Thyroid function tests can also measure thyroid hormones like thyroxine to provide a better understanding of how low â or how high â your thyroid hormone levels are.

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Can Hyperthyroidism Be Cured

Yes, there is a permanent treatment for hyperthyroidism. Removing your thyroid through surgery or destroying your thyroid through medication will cure hyperthyroidism. However, once your thyroid is removed or destroyed, youll need to take thyroid hormone replacement medications for the rest of your life. Your body still needs thyroid hormones, just not at such high levels as you have in hyperthyroidism. Though you’ll need to take the medication and check in with your healthcare provider regularly, this is a manageable form of thyroid disease.

What Does Your Thyroid Gland Do

Your thyroid gland is a gland found at the front of your neck, just below your Adams apple. Your thyroid gland produces hormones that play a key role in regulating your metabolism and affects things like your heart rate, body temperature, and breathing. These hormones are:

  • thyroxine

The levels of these hormones are controlled by thyrotropin-releasing hormone and thyroid-stimulating hormone .

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When Should I See My Healthcare Provider

If youre experiencing signs and symptoms of hyperthyroidism, its important to see your healthcare provider so they can assess your condition and recommend treatment.

If youve already been diagnosed with hyperthyroidism, youll likely need to see your provider regularly to make sure your treatment is working.

If youre experiencing signs of thyroid storm, a complication of hyperthyroidism, such as a high fever and a very fast heart rate, get to the nearest hospital as soon as possible.

What Are Thyroid Hormones

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The thyroid is a small gland that sits at the front of your neck. Itâs responsible for controlling many of the bodyâs key activities â such as metabolism. It does this by releasing specific hormones into the bloodstream.

A hormone is small chemical messenger that allows different parts of your body to âtalkâ with each other. The thyroid makes two kinds of hormones: thyroxine and triiodothyronine . These hormones circulate in your blood, allowing the thyroid gland to regulate many of the bodyâs important functions, such as:

  • Metabolism â Thyroid hormones tell the body when to burn fat, which gives you more energy. Thyroid hormones can also trigger the production of glucose â a sugar formed from carbohydrates â to provide your body with more energy.
  • Heart rate â Thyroid hormones can affect your resting heart rate .
  • Internal body temperature â Thyroid hormones are involved in regulating your bodyâs internal temperature â so the thyroid gland acts a bit like a thermostat that helps make sure your body doesnât get too cool or too hot.

Whatâs more, thyroid hormones can contribute to more wakefulness and alertness because of how they affect the nervous system.

In short, your body requires the right balance of thyroid hormone levels in order to effectively carry out many of its functions.

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