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What Happens When Your Thyroid Is High

Is Your Dose Too High Or Too Low

Reasons why you still have thyroid symptoms: #9 High Homocysteine

As I mentioned previously, it’s far more common that thyroid patients are not taking enough levothyroxine as opposed to too much but it definitely does happen.

The good news is that it is fairly easy to tell if your dose is too high and the solution is also quite simple.

Reducing your dose should fix your symptoms within a few days.

And now I want to hear from you:

Do you think your dose of levothyroxine is too high or too low?

Are you experiencing any of the symptoms listed above? If so, which ones?

Are you taking levothyroxine or Synthroid? Do you find that you are more sensitive to one over the other?

Or are you using an entirely different type of thyroid medication and still having some of these issues?

Leave your questions or comments below!


  • Is there an adjustment period when you first start taking NDT that you will get some of these hyperthyroid/overdose symptoms until your body gets adjusted to the medicine or does it always mean your over medicated?

    Also, I tested negative for antibodies but my Thyroglobulin is high . Selenium is borderline HIGH , iodine is borderline Low, TSH , Free T3 , Free T4 , Reverse T3 . My labs are WNL but doc says my thyroid is slightly swollen and I have hypothyroid symptoms . Is high Thyroglobulin due to inflammation or just low iodine? Every time i try a supplement with iodine- my hair loss gets much worse . Any help would be appreciated!

  • Thyroid Removal Or Thyroid Deactivation

    If you have had surgery to remove your thyroid or radioiodine therapy to deactivate your thyroid, you will receive regular T4 replacement therapy. This usually affects TSH levels secreted by your pituitary gland as your medication is monitored and adjusted.

    The journal Rambam Maimonides says that low levels of T3 and T4 exert a negative feedback on TSH and signals to your body to increase TSH levels. When receiving levothyroxine therapy, your TSH levels and T4 levels will be closely monitored to make sure that T4 levels dont drop dangerously low.14

    How Does My Thyroid Work

    The thyroid gland is a small, butterfly-shaped organ located in the front of your neck just under the voice box . Picture the middle of the butterflys body centered on your neck, with the wings hugging around your windpipe . The main job of the thyroid is to control your metabolism. Metabolism is the process that your body uses to transform food to energy your body uses to function. The thyroid creates the hormones T4 and T3 to control your metabolism. These hormones work throughout the body to tell the bodys cells how much energy to use. They control your body temperature and heart rate.

    When your thyroid works correctly, its constantly making hormones, releasing them and then making new hormones to replace whats been used. This keeps your metabolism functioning and all of your bodys systems in check. The amount of thyroid hormones in the bloodstream is controlled by the pituitary gland, which is located in the center of the skull below the brain. When the pituitary gland senses either a lack of thyroid hormone or too much, it adjusts its own hormone and sends it to the thyroid to balance out the amounts.

    If the amount of thyroid hormones is too high or too low , the entire body is impacted.

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    Thyroid Nodules And Cancer

    As people get older, they become more prone to developing nodules, or growths, on the thyroid gland.

    These nodules cause the gland to enlarge, which can cause difficulty swallowing and/or breathing, and in some cases may cause visible lumps on the neck.

    Thyroid nodules are common but theyre usually easy to remove and treat, Nakhle said. The large majority of patients with thyroid nodules wont have any further problems but in about 5 percent of cases, the nodules are cancerous.

    Thyroid cancer is uncommon and tends to be treatable, particularly because its often found in its early stages. Surgery is considered the first line of treatment the gland is removed and hormone replacement drugs are used thereafter. Chemotherapy and/or radiation may also be used in conjunction with the surgery, but it depends on the patient and stage of the cancer.

    While thyroid cancer has a high survival rate compared with most other cancers, the incidence rate is growing. According to the American Cancer Society, thyroid cancer is the most rapidly increasing cancer in the U.S., with diagnoses tripling in the past three decades.

    Thyroid cancer is the only cancer that has been increasing continually, and we dont know why, Nakhle said.

    Causes Symptoms Diagnosis Treatment And Support

    What Happens When Your Thyroid Levels Are High

    Endless energy, unexplained weight lossthe initial symptoms of an overactive thyroid are often seen as good symptoms. Thats why hyperthyroidism is one of the most underdiagnosed endocrine conditions. But if left unchecked, it can lead to serious complications. Were here to empower you with clear answers to all your hyperthyroid questions.

    In This Article:

    With original contributions from James Norman MD, FACS, FACE

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    Who Has Elevated Thyroid Antibodies

    While high thyroid antibodies are one of the diagnostic criteria for Hashimotos disease surprisingly there are other health conditions associated with their presence. It means that there is a risk that eventually the person may develop Hashimotos and/or hypothyroidism later on.

    1. Thyroid antibodies levels were found to be mild to moderately elevated in associated diseases such as systemic lupus erythematosus , thyroid cancer, thyrotoxicosis, rheumatoid arthritis, fibromyalgia, pernicious anemia, autoimmune collagen vascular disease and type 1 diabetes.

    2. According to different studies, high thyroid antibodies were reported in a range of 1229% in patients with chronic hives . There is an increased prevalence of thyroid autoimmune disease such as positivity of thyroid antibodies, Hashimotos disease with or without hypothyroidism in people with chronic urticaria. However, there are no cases of Graves disease described among patients with chronic hives.

    Test for thyroid antibodies and thyroid function are especially recommended for those patients who experience chronic hives that cannot be attributed to an allergen or any other obvious cause.These tests can rule out involvement of thyroid autoimmunity or help to confirm it as being the cause of this condition.

    One study estimated that up to 12.5% of women can have elevated TPO thyroid antibodies during the first two trimesters of pregnancy and it can negatively affect development of the fetus and child.

    What Are The Symptoms Of Hyperthyroidism

    There are many symptoms of hyperthyroidism and they can impact your entire body. You may experience some of these symptoms and not others, or many of them at the same time. Symptoms of hyperthyroidism can include:

    • Swelling and enlargement of the neck from an enlarged thyroid gland .
    • Hair loss and change in hair texture .
    • Bulging of the eyes .
    • Muscle weakness.

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    What Are The Symptoms Of Hypothyroidism In Men

    Although many symptoms of hypothyroidism can be the same in men and women, there are some that are specific and of special concern to men.

    Sexual dysfunction

    Sexual dysfunction refers to any problem that affects your desire for or enjoyment of sex. In men, low thyroid levels can cause several different types of sexual dysfunction.

    Some studies report that about 60% of men with hypothyroidism have low libido , erectile dysfunction, or delayed ejaculation. Premature ejaculation is much less common, affecting about 7% of men. Hypothyroidism has also been shown to affect semen quality and is associated with lower sperm count, form, and movement. These factors could potentially lower fertility.

    While these symptoms may be alarming, they are often reversible with treatment.

    Hair loss

    Up to 50% of people with hypothyroidism can experience some type of hair loss, ranging from partial to very extensive.

    Individual hair follicles have a specific growth cycle of growth and rest stages. Hypothyroidism negatively affects this cycle, which can result in hair loss. Other hair changes can also be seen in hypothyroidism, including dry, brittle, and coarse hair that may take longer to grow.

    Fortunately, with proper treatment, these changes can be reversed, too.

    Low testosterone

    Testosterone is a sex hormone with many important roles in mens health, including bone and muscle growth, sex drive, and normal reproduction.

    Muscle weakness and cramps

    Other common symptoms

    Thyroid Peroxidase Antibodies Test And Who Needs It

    The Low Thyroid High Cholesterol Connection

    Thyroid peroxidase antibodies test measures the level of an antibody that is directed against TPO.

    These antibodies are produced in the body by the immune system, as mentioned above.

    The TPO antibodies test serves multiple purposes, such as:

    • Helping doctors diagnose autoimmune thyroid disorders
    • Aiding in differentiating autoimmune thyroid disorders from non-autoimmune hypothyroidism or goiter
    • Serves as a diagnostic tool in deciding whether to treat a patient who has been diagnosed with subclinical hypothyroidism

    Doctors may also order a TPO antibodies test if you are pregnant and have an autoimmune disease, particularly the condition that involves thyroid.

    Thyroid peroxidase antibodies have been associated with reproductive difficulties such as miscarriage, preeclampsia, premature delivery, and in-vitro fertilization failure. In these instances, the doctor may also order TPOAbs test, but bear in mind its not a standard test for problems with fertility and pregnancy.

    If a pregnant woman has an autoimmune thyroid condition or some other autoimmune disease with thyroid involvement, the doctor may order TPO antibodies test in order to determine whether the baby could be at risk of thyroid dysfunction.

    Additionally, you might need a TPO antibodies test if other thyroid hormone levels are too low or too high. Your doctor will need results from TPO antibodies test to determine whether an autoimmune condition impaired the production and concentration of thyroid hormones.

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    What Causes High Tsh And Normal T4

    A normal TSH and normal T4 show a normal thyroid. A low TSH and high T4 generally means an overactive thyroid. A high TSH and low T4 means an underactive thyroid. A low TSH and low T4 mean low thyroid function because of another problem, such as with the pituitary gland or hypothalamus of the brain.

    Definition Of A High Tsh

    So what defines a âhighâ TSH?

    If your TSH is higher than 5.0 then the lab will flag you as âhighâ 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, thereâs actually a good case to make that you can still have a âhighâ 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 âstandard normalâ TSH values may not have have been full of âhealthyâ 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 doesnât 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 ânormalâ TSH reference range is somewhere between 1.0 and 2.5 uIU/ml and anything higher than 2.5 is considered âhighâ .

    With this logic you can have a âhighâ TSH anywhere between 2.5 and 5.5, even though it technically falls within the ânormalâ 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.

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    What Are My Hyperthyroidism Treatment Options

    You may receive medicines, radioiodine therapy, or thyroid surgery to treat your hyperthyroidism. The aim of treatment is to bring thyroid hormone levels back to normal to prevent long-term health problems and to relieve uncomfortable symptoms. No single treatment works for everyone.

    Treatment depends on the cause of your hyperthyroidism and how severe it is. When recommending a treatment, your doctor will consider your age, possible allergies to or side effects of the medicines, other conditions such as pregnancy or heart disease, and whether you have access to an experienced thyroid surgeon.

    How Can I Tell If My Cat Has Thyroid Problems

    Thyroid (Hyperthyroidism and Hypothyroidism)

    Diagnosing Cat Thyroid Problems with the T4 Test. Thyroxine, also known as T4 hormone, is produced by the thyroid gland along with another hormone known as triiodothyronine. Thyroxin is vital in the regulation of the cats growth and metabolism. An imbalance in the production of this hormone can lead to thyroid disorders.

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    What Is Thyroid Stimulating Hormone

    Thyroid stimulating hormone is produced and released into the bloodstream by the pituitary gland. It controls production of the thyroid hormones, thyroxine and triiodothyronine, by the thyroid gland by binding to receptors located on cells in the thyroid gland. Thyroxine and triiodothyronine are essential to maintaining the bodys metabolic rate, heart and digestive functions, muscle control, brain development and maintenance of bones.

    Symptoms Of High Tsh Levels

    High levels of TSH is an indicator that your thyroid is not producing enough hormones, like thyroxine and or triiodothyronine . This hormonal imbalance is called primary hypothyroidism. Sometimes high TSH causes a decrease in thyroid hormones, but they are still in normal range. This is called subclinical hypothyroidism.

    Symptoms of high TSH that result in primary hypothyroidism may include

    These symptoms aren’t always present at the onset of the condition. Since many of these symptoms can be caused by other conditions, you may end up having elevated TSH levels for years before you notice any symptoms.

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    What Does The Tsh Test Involve

    The TSH blood test is often administered as part of a panel of blood tests in conjunction with an annual health exam. The test determines how well your thyroid is working by measuring the amount of thyroid-stimulating hormone in your blood. Its a non-fasting blood test, meaning you dont have to do anything special to prepare.

    Physicians should take a TSH blood sample for thyroid patients every four to eight weeks after their initial diagnosis. TheATA recommends TSH testing every six to 12 months while youre on a stable medication dose and more often if your dose has changed.

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    Who Is At Risk For Hyperthyroidism

    5 Common Reasons Your TSH is Elevated- What Your Doctors Not Telling You About an Elevated TSH

    According to the National Institute of Health , hyperthyroidism affects approximately 1.2% of the population in the US. Although it occurs in both men and women, its up to 10 times more likely in females.

    Youre at higher risk for hyperthyroidism if you:

    • Have a family history of thyroid disease
    • Have pernicious anemia
    • Have primary adrenal insufficiency, also known as Addisons disease
    • Consume an iodine-rich diet or medications containing iodine
    • Are over the age of 60
    • Were pregnant within the past 6 months
    • Had thyroid surgery or a thyroid problem such as a goiter, also known as a swollen thyroid gland

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    Questions To Ask Your Doctor

    • What is the cause of my underactive thyroid ?
    • Do I have Hashimoto’s disease?
    • What do the results of my blood test mean?
    • How long will I need medicine for my hypothyroidism and what are the side effects?
    • What TSH level will you use as a target for me?
    • After I’m in the optimal range, how often do you suggest I come back for blood tests to make sure my dosage needs haven’t changed?
    • Am I at risk for related health problems?
    • How quickly can I expect relief from my hypothyroid symptoms?
    • Are there any lifestyle changes I can make to relieve my symptoms?

    Once you have the answers to these questions, your doctor will have a better understanding of your concerns and needs, and can take all the information into consideration in formulating a thyroid management plan in discussion with you.

    What Happens When Your Thyroid Is High

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    Just so, what are the symptoms of high thyroid?

    An overactive thyroid can cause a wide range of symptoms, including:

    • nervousness, anxiety and irritability.
    • swelling in your neck from an enlarged thyroid gland
    • an irregular and/or unusually fast heart rate

    One may also ask, what causes thyroid levels to be high? Graves’ disease, an autoimmune disorder, is the most common cause of hyperthyroidism. It causes antibodies to stimulate the thyroid to secrete too much hormone. Graves’ disease occurs more often in women than in men. thyroiditis, or inflammation of the thyroid, which causes T4 and T3 to leak out of the gland.

    Also, what happens if TSH level is high?

    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. If you’re making too much thyroid hormone, your TSH will go down.

    What can happen if an overactive thyroid is left untreated?

    If left untreated, hyperthyroidism can cause serious problems with the heart, bones, muscles, menstrual cycle, and fertility. During pregnancy, untreated hyperthyroidism can lead to health problems for the mother and baby.

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    What Else Should I Know

    Your doctor will see your child regularly to make sure that the medicine is working and change the dose as your child grows. Be sure to go to all follow-up doctor visits.

    Children with congenital hypothyroidism can sometimes develop hearing problems. If you have any concerns about your childs hearing or speech development, talk to your doctor.


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