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What Happens If Your Thyroid Is Too High

What Does The Thyroid Do

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Your thyroid is a small, butterfly-shaped gland at the front of your neck that secretes thyroid hormones into your bloodstream.

Doctors from the Department of Health in Australia say that your thyroid regulates your bodys metabolism and affects your nervous and immune systems. This means that your thyroid affects most of the complex processes that happen in your body. Your body needs iodine to create adequate levels of T3 and T4 hormones.1

Some of the functions that your thyroid controls include:

  • Your body weight
  • Processes connected to your central nervous system
  • Your heart rate

What Are The Complications Of Hypothyroidism If Left Untreated

If hypothyroidism is left untreated or not treated properly, a life-threatening complication called myxedema can occur. Myxedema is considered a medical emergency that can also be triggered by a trauma, an infection, a surgery, uncontrolled diabetes, pregnancy or labor, or going off thyroid medications. Symptoms may include:

Faq: Frequently Asked Questions

Is Graves disease the same as hyperthyroidism?

Graves disease is an autoimmune disorder that leads to and is the most common cause of hyperthyroidism, but theyre not the same thing. While all patients with Graves disease have hyperthyroidism, patients with hyperthyroidism may not necessarily have Graves disease .

In Graves disease, the body makes an antibody called thyroid-stimulating immunoglobulin , which causes the thyroid gland to make too much thyroid hormone . Graves disease runs in families and is more commonly found in women.

Hypothyroidism vs Hyperthyroidism: Whats the difference?

The difference all comes down to the prefix in each word: hyper means over or exaggeration, while hypo means under or beneath. When it comes to -thyroidism, hyper- means an overactive thyroid gland, and hypo- means an underactive one.

Hypothyroidism, or an underactive thyroid gland, can actually be caused by treatments for hyperthyroidism, since their whole purpose is to decrease thyroid gland activity. Those treatments, however, can tip the balance too far.

What should I eat to manage hyperthyroidism?

With hyperthyroidism, its more important to manage what you dont eat. High levels of iodine consumption can exacerbate hyperthyroidism, so its a good idea to watch your iodine intake. Look for ways to limit iodine in your diet by restricting your consumption of foods such as: fish, seaweed, shrimp, dairy products, and grain products .

Does hyperthyroidism go away on its own?

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Diagnosing High Tsh Levels

When you see your doctor, the most common test for a high TSH level is a blood test. They will not only check your TSH level, but they also are looking at your triiodothyronine and thyroxine levels.

Imaging tests such as an ultrasound or a thyroid scan with a special camera and slightly radioactive iodine are used to look at your thyroid. It looks for inflammation or shrinkage, which can both occur with hypothyroidism. Another test, called a radioactive iodine uptake test, is done to see if your thyroid is taking up enough iodine to make the hormones it produces.

Thyroid antibody tests can be used to diagnose autoimmune thyroid disorders, like Hashimotos disease.

Can Hyperthyroidism Be Prevented Or Avoided

Are You Taking Too Much Thyroid Medication

You cannot prevent hyperthyroidism. However, some people are more at risk for the condition. This includes people who:

  • Were born female.
  • Have a family history of thyroid disease.
  • Are younger than 40 or older than 60.
  • Have certain problems, such as type 1 diabetes, pernicious anemia, or an immune system disorder.
  • Consume large amounts of iodine, either through food or medicine

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Can Thyroid Problems Make You Feel Really Ill

Acute or infectious thyroiditis Symptoms may include pain in the throat, feeling generally unwell, swelling of the thyroid gland and, sometimes, symptoms of an overactive thyroid gland or symptoms of an underactive thyroid gland. Symptoms usually get better when the infection is treated with antibiotics.

Controversy Over Optimal Tsh

While most laboratories define a normal TSH as between roughly 0.5 mU/l and 5.0 mU/l, some experts argue that the upper limit of a normal TSH should be loweraround 2.5 mU/l.

The reasoning behind this is that the vast majority of adults without thyroid disease have a TSH value between 0.45 and 4.12 mU/l.

In addition, some physicians believe older patients should have a TSH level that is greater than 4.0 mU/l or 5.0 mU/l, since TSH normally increases with age.

Doctors can avoid some of this controversy simply by looking at each person as an individual. For example, a person who still has significant symptoms of hypothyroidism at a TSH of 4.0 mU/l may do better with a goal TSH of around 1.0 mU/l.

In contrast, someone who has health riskssuch as heart disease or osteoporosismay benefit from having a goal TSH that is higher, perhaps around 5.0 mU/l or 6.0 mU/l.

In pregnancy, TSH should not be allowed to rise above 3.0 mU/l for the health of both the baby and mother.

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What Are The More Serious Complications Of Hyperthyroidism

People with advanced and extreme hyperthyroidism face a ramshackle of problems, some of them life-threatening. The good news, though, is many patients do not reach this level of severity. Complications can include:

  • Graves ophthalmopathy or Thyroid Eye Disease , which may soon be treatable using a new drug called Teprotumumab
  • Irregular heartbeat, which can lead to:
  • blood clots
  • stroke
  • other heart problems
  • Thyroid storm
  • Pregnancy complications
  • high blood pressure during pregnancy
  • low birth weight
  • premature birth
  • Thinning bones and osteoporosis
  • Bottom line: The longer you have an overactive thyroid and go without treatment, the greater the risk of lifelong complications, even after treatment. As over 60 percent of people with thyroid disease go undiagnosed, its important to listen to your body before reversible symptoms like weight loss and insomnia become life-threatening issues such as irregular heartbeat , bone loss , and infertility .

    Do One Thing Right Now

    Relax! Slowing things down is keyeven if it feels counterintuitive with all the sped up effects of the condition. The GDATF recommends practicing yoga, Tai Chi, self-hypnosis, and meditation.

    Can Hyperthyroidism Be Cured

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    Yes, there is a permanent treatment for hyperthyroidism. Removing your thyroid through surgery will cure hyperthyroidism. However, once the thyroid is removed, you will 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 will need to regularly take the medication and check in with your healthcare provider regularly, this is a manageable form of thyroid disease which allows you to live a normal life.

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    What Should My Tsh Number Be For My Thyroid

    Today were going to talk about the TSH test and its results. TSH stands for Thyroid Stimulating Hormone a standard blood test will produce a number of how well your thyroid is performing. Normal range for an adult is typically considered to be between .4 and 4.0 however, in my practice I would say ideal is between 0.5 and 1.5.

    In addition, TSH tests are used to help diagnose a condition called subclinical hypothyroidism, which usually causes no outward signs or symptoms. In this condition, you have normal blood levels of triiodothyronine and thyroxine, but higher than normal levels of TSH.

    TSH is often the first test doctors use to determine whether you have too little or too much thyroid hormones. High TSH is often linked to an underactive thyroid or hypothyroidism. Read on to learn about the causes, symptoms, and health effects of high TSH levels.

    Too Much Thyroid Hormone Medicine

    Some people who take thyroid hormone medicine for hypothyroidism may take too much. If you take thyroid hormone medicine, you should see your doctor at least once a year to have your thyroid hormone levels checked. You may need to adjust your dose if your thyroid hormone level is too high.

    Some other medicines may also interact with thyroid hormone medicine to raise hormone levels. If you take thyroid hormone medicine, ask your doctor about interactions when starting new medicines.

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    Definition Of A High Tsh

    So what defines a “high” TSH?

    If your TSH is higher than 5.0 then the lab will flag you as “high” and you may experience the symptoms listed above.

    You can see a clear example of this below:

    The reference range in this example is 0.3 to 5.00 uIU/ml and the result is 7.024.

    Having said all of this, there’s actually a good case to make that you can still have a “high” TSH but still be inside of the reference range.

    So how do we get there?

    Well, newer studies have shed light on the fact that some of the original tests that helped determine our “standard normal” TSH values may not have have been full of “healthy” people.

    When you are being compared to some standard you want to make sure that the standard you are being compared to is actually healthy!

    It doesn’t make sense to compare your TSH as a 25-year-old to that of an 86-year-old .

    Using this logic some newer studies have suggested that a more “normal” TSH reference range is somewhere between 1.0 and 2.5 uIU/ml and anything higher than 2.5 is considered “high” .

    With this logic you can have a “high” TSH anywhere between 2.5 and 5.5, even though it technically falls within the “normal” range:

    In addition, other studies have suggested we use the African American population as the standard for TSH testing because they have one of the lowest rates of autoimmune disease compared to other populations and their TSH is somewhere around 1.0.

    At Home Thyroid Blood Test

    Is Night or Day the Time to Take Thyroid Medication?

    If you are on too much thyroid medication, your thyroid-stimulating hormone test will likely be on the lower end of the reference range. Your doctor may also check your T4 and T3 levels. If these are on the upper end of the reference range, that may also indicate overmedication.

    It is also helpful to track your symptoms to have a log of what you are experiencing and what time of day. This information helps your doctor assess factors that cause dosage or absorption issues that may not show up in your blood work.

    Schedule a virtual consultation with a thyroid doctor:

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    Thyroxine Triiodothyronine And Tsh Levels

    The main job of the thyroid gland is to make the hormone thyroxine, also known as T4 because it has four iodine molecules. The thyroid also makes the hormone triiodothyronine, known as T3 because it has three iodine molecules, but in smaller amounts, explains Cathy Doria-Medina, MD, an endocrinologist with HealthCare Partners Medical Group in Torrance, California. The thyroid gland makes mostly T4, the T4 has to be converted to T3, because T3 is the part of thyroxine that actually does the work, she says.

    The pituitary gland at the base of the brain controls hormone production in your body. It makes thyroid-stimulating hormone , which tells the thyroid gland how much T4 and T3 to produce. The TSH level in your blood reveals how much T4 your pituitary gland is asking your thyroid gland to make. If your TSH levels are abnormally high, it could mean you have an underactive thyroid, or hypothyroidism. Thats because it indicates your pituitary gland is producing more TSH in an effort to stimulate your thyroid to produce thyroid hormone, according to the Mayo Clinic.

    TSH levels go in the opposite direction of your thyroid hormone, Dr. Doria-Medina explains. If youre making too little thyroid hormone, your TSH will go up. If youre making too much thyroid hormone, your TSH will go down.

    If your TSH is higher than 4.0 mU/L on repeat tests, you probably have hypothyroidism.

    Taking Too Much Synthroid: Interindivdiual Variation In Dosing

    Individuals undergoing treatment for hypothyroidism with synthroid are prescribed dosages aimed to optimize TSH levels. Excessively high TSH levels signifies that an individual is likely not getting enough synthroid. Since the severity of hypothyroidism is subject to individual variation and synthroid dosages necessitate patient-specific optimization, too much synthroid for one user may be a normal dose for another.

    A person with severe hypothyroidism who weighs 200 lbs may take around 1.7 mcg/kg/day for a daily total dosage of ~154.22 mcg. Should the individual end up taking 175 mcg per day, he/she may exhibit subtle symptoms associated with too much synthroid. On the other hand, someone who weighs 140 lbs and is taking 1 mcg/kg/day for subclinical hypothyroidism, a total daily dosage may be just 63.5 mcg.

    If the individual instructed to take 63.5 mcg of synthroid ends up taking 175 mcg per day, more severe symptoms are likely to emerge because the recommended dosage will have been surpassed by a significant amount. The lesser the extent to which an optimally calibrated dosage is surpassed, the less severe and/or numerous the symptoms of too much synthroid are likely to be. The greater the dosage over the optimal amount of synthroid needed for optimal function, the greater the symptomatic severity associated with the overdose.

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    How Is Hyperthyroidism Treated

    There are many treatment options for hyperthyroidism. Depending on the cause of your hyperthyroidism, some options may be better for you over the long-term. Your healthcare provider will discuss each option with you and help you determine the best treatment for you.

    Treatment options for hyperthyroidism can include:

    Heres How Thyroid Levels Affect Your Metabolism And Your Health

    Synthroid Overdose: signs you taking too much thyroid medication

    What does the thyroid do? Your thyroid â a small gland that sits at the front of your neck â keeps your metabolism running smoothly. Because your thyroid controls so much of your metabolism, it must function properly for you to remain healthy and feeling good.

    The thyroid gland regulates metabolism by releasing hormones into the bloodstream, so by measuring how much of these hormones you have and checking your thyroid function , you may discover if thereâs something wrong with your metabolism.

    In many cases, people will experience thyroid weight gain or weight loss problems when there is an imbalance with their hormones due to a thyroid disorder. Our at-home testing options let you check your bodyâs metabolism hormones and thyroid function so you can learn if you have a hormonal imbalance.

    The thyroid gland is quite a unique body part. For example, thyroid cells are the only cells in your body that can take up iodine â a rare element â in large amounts and build hormones with that iodine. These hormones are then released into the bloodstream. But when these hormones arenât produced at a normal level, you may experience thyroid weight loss or weight gainâor other symptoms.

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    What Is Hypothyroidism And What Causes It

    Hypothyroidism is when the thyroid does not make enough thyroid hormone to meet the bodys needs. It affects about 4.6% of the population, or almost 5 out of every 100 people . People over the age of 60 are at especially high risk. Other important risk factors include:

  • Thyroid surgery: If you had part of your thyroid removed, whats left might not be able to make enough hormones for your body.

  • History of hyperthyroidism: Previous treatment for too much thyroid hormone can leave you without enough. Also, an overactive thyroid can burn itself out and then be unable to keep up.

  • Radiation to the area: Radiation for treatment of head and neck cancers can hurt the thyroid gland as a side effect. The same radiation beams that kill the cancer cells can also damage the bodys normal tissues.

  • Family history: You have a higher chance of having hypothyroidism if your family members have it specifically close family members like parents, grandparents, or siblings.

  • Pregnancy in the past 6 months: Autoimmune thyroid issues can flare up after pregnancy. An autoimmune disease is when your immune system attacks your body. In this case, your immune system attacks your thyroid gland.

  • High Tsh In Pregnancy

    It is normal during pregnancy for T4 levels to increase which causes TSH levels to drop. According to Dr. Sandra Fryhofer on Medscape, T3 and T4 thyroid hormones can increase by up to 50% during pregnancy. Even though some labs put the normal TSH range for pregnancy as high as 5 mIU/L, Dr. Fryhofer recommends a much lower level.

    The recommendations for TSH during pregnancy are as follows:

    • First trimester: 0.1 2.5 mIU/L
    • Second trimester: 0.2 3.0 mIU/L
    • Third trimester: 0.3 3.0 mIU/L

    If TSH levels are higher than 2.5 mIU/L during pregnancy, Dr. Fryhofer recommends testing for levels of T4 to check for hypothyroidism in pregnancy.

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    Is Hyperthyroidism During Pregnancy A Problem

    Thyroid hormone levels that are just a little high are usually not a problem in pregnancy. However, more severe hyperthyroidism that isnt treated can affect both the mother and the baby. If you have hyperthyroidism, be sure your disease is under control before becoming pregnant. Learn more about causes, diagnosis, and treatment of hyperthyroidism during pregnancy.

    What Happens If I Have Too Little Thyroid Stimulating Hormone

    High and Low TSH Levels: Meanings and Variations

    If a person has too little thyroid stimulating hormone, it is most likely that their thyroid gland is making too much thyroid hormone, that is, they have an overactive thyroid or hyperthyroidism, which is suppressing the thyroid stimulating hormone. People with an overactive thyroid have the opposite symptoms to those with hypothyroidism, i.e. they lose weight , feel too hot and can experience palpitations or anxiety. They may also have a slightly enlarged thyroid gland. Treatment is medication in the form of tablets, which reduce the activity of the thyroid gland and return all thyroid hormone levels to normal. Rarely, problems in the pituitary gland can also result in a low thyroid stimulating hormone, and low free thyroid hormone levels.

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