human disease

Molecular structure of the thyroxine molecule
Hypothyroidism
Hypothyroidism
Photograph of a Labrador Retriever dog with sagging facial skin characteristic of hypothyroidism
signs and symptoms of hypothyroidism
Hypothyroidism is an endocrine disease in which the thyroid gland does not produce enough thyroid hormones. It can cause a number of symptoms, such as poor ability to tolerate cold, extreme fatigue, … Wikipedia
Factsheet
Hypothyroidism Molecular structure of thyroxine, which is deficient in hypothyroidism
Specialty Endocrinology
Factsheet
Hypothyroidism Molecular structure of thyroxine, which is deficient in hypothyroidism
Specialty Endocrinology
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Mayo Clinic
mayoclinic.org › diseases-conditions › hypothyroidism › symptoms-causes › syc-20350284
Hypothyroidism (underactive thyroid) - Symptoms and causes - Mayo Clinic
December 10, 2022 - Understand what happens when your thyroid is underactive and learn about treatment for this condition.
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UnityPoint
unitypoint.org › news-and-articles › 11-early-warning-signs-of-thyroid-problems-in-women
11 Early Warning Signs of Thyroid Problems in Women
Reddy says about 83% of patients report this as their most prominent symptom. Hair loss: Hyperthyroidism often causes hair loss. Itchiness: Dryness often leads to itchy skin, though not usually a specific hypothyroidism rash.
Discussions

What were your beginning symptoms of hyperthyroidism?
I was also having hyperthyroidism ,the main cause are the hormones that regulates this thyroid levels secreted from thyroid glands the main reasons I had found for this is selenium deficiency and lifestyle I went to a health coach Laxmi were she helped me losing weight and found this root cause and corrected my TSH was high now all T3 T4 and TSH is normal levels she corrected my lifestyle and helped me in managing my stress levels More on reddit.com
🌐 r/thyroidhealth
299
117
February 9, 2023
What were the first symptoms you noticed?
All above symptoms, except the weight gain. I had brain fog, woke up in a confusing about what to do. Words would go away, could not recall everyday items and people. My boss made fu of me, knowing that I was suffering. I was terrified. My primary doctor refused to help. My psychiatrist just wanted to give ne anti depressants. I refused. Finally, my rumatoligist tested me for everything, 7 vials of blood. I am off water pills ,blood pressure medication and arthritis pills. More on reddit.com
🌐 r/Hypothyroidism
113
46
December 11, 2022
Hypothyroidism: What are/were your symptoms ?

Weight gain, fatigue, nausea, dizziness, hypoglycemia, mood swings, depression, hair loss, dry skin, joint pain.

More on reddit.com
🌐 r/Hypothyroidism
133
74
August 26, 2017
Get. Your. Damn. Thyroid. Panels. Done.
It's probably bad that I was disappointed that my thyroid results came back fine. More on reddit.com
🌐 r/Anxiety
130
359
April 6, 2021
People also ask

What are the common symptoms of thyroid issues?
The symptoms depend on whether the thyroid is overactive (hyperthyroidism) or underactive (hypothyroidism). Hyperthyroidism symptoms include anxiety, tremors, irregular heartbeat, heat intolerance, and weight loss. Hypothyroidism symptoms include lethargy, constipation, hair thinning, bloating, cold intolerance, and dry skin. Excessive fatigue can be a symptom of both conditions.
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mdanderson.org
mdanderson.org › cancerwise › 2023 › 10 › signs of thyroid issues: how do you know if you have them?
Signs of thyroid issues: How do you know if you have them? | MD ...
How do thyroid hormones affect heart function?
Thyroid hormones have a strong connection to heart function. Too much thyroid hormone can increase the risk of a rapid or irregular heartbeat (tachycardia and atrial fibrillation). Too little thyroid hormone can lead to a low heart rate (bradycardia) and an enlarged heart (cardiomyopathy). These heart conditions can also be a sign that a person has an undiagnosed thyroid problem.
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mdanderson.org
mdanderson.org › cancerwise › 2023 › 10 › signs of thyroid issues: how do you know if you have them?
Signs of thyroid issues: How do you know if you have them? | MD ...
Can cancer treatment affect thyroid function?
Yes, some cancer treatments can affect the thyroid gland. Radiation therapy to the head or neck area, certain immunotherapy, targeted therapy, and chemotherapy drugs can cause thyroid dysfunction. It's important for patients to report all symptoms to their cancer care team so that blood tests can be done and any thyroid issues can be addressed promptly.
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mdanderson.org
mdanderson.org › cancerwise › 2023 › 10 › signs of thyroid issues: how do you know if you have them?
Signs of thyroid issues: How do you know if you have them? | MD ...
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NHS
nhs.uk › conditions › overactive-thyroid-hyperthyroidism › symptoms
Overactive thyroid (hyperthyroidism) - Symptoms - NHS
For some people they're mild, but for others they can be severe and significantly affect their life. ... eye problems, such as redness, dryness or vision problems (see complications of an overactive thyroid)
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Cleveland Clinic
my.clevelandclinic.org › health › diseases › 8541-thyroid-disease
Thyroid Disease: What It Is, Causes, Symptoms & Treatment
June 2, 2025 - Females are five to eight times more likely to have a thyroid condition. Have a family history of thyroid disease. Have Turner syndrome. Take a medication that’s high in iodine.
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Brown University Health
brownhealth.org › be-well › thyroid-conditions-women-symptoms-treatment-and-care
Thyroid Conditions in Women: Symptoms, Treatment and Care | Brown University Health
The T3 and T4 hormones work together ... the most common symptoms of thyroid disease are fatigue, temperature intolerance, hair thinning, weight changes and menstrual cycle changes....
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NHS
nhs.uk › conditions › underactive-thyroid-hypothyroidism
Underactive thyroid (hypothyroidism) - NHS
An underactive thyroid (hypothyroidism) is a common condition where the thyroid gland in your neck does not make enough hormones. This can cause symptoms like tiredness and weight gain. It can be managed with treatment. Symptoms of an underactive thyroid may be mild and may not be easy to notice.
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MD Anderson Cancer Center
mdanderson.org › cancerwise › 2023 › 10 › signs of thyroid issues: how do you know if you have them?
Signs of thyroid issues: How do you know if you have them? | MD Anderson Cancer Center
Subacute thyroiditis: This may include any of the following after a viral infection: pain or swelling in the neck, tremors, heart palpitations, a jittery feeling, a racing heart, and feeling tired but unable to sleep.
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Mayo Clinic Health System
mayoclinichealthsystem.org › hometown-health › speaking-of-health › thyroid-disease-symptoms-and-treatment
Thyroid disease: Symptoms, treatment - Mayo Clinic Health System
December 12, 2023 - A person who has part of their thyroid gland removed may need to take hormone replacement after surgery. When a person has the entire gland removed, they will need to take replacement hormones for life. Consider seeing your primary care professional if you have signs and symptoms of hypothyroidism or hyperthyroidism, or if you can feel a nodule in the lower front of your neck.
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Women's Health
womenshealth.gov › a-z-topics › thyroid-disease
Thyroid disease | Office on Women's Health
If your body's immune system causes ... may be involved. This can lead to early menopause (before age 40). Problems getting pregnant. When thyroid disease affects the menstrual cycle, it also affects ovulation. This can make it harder for you to get pregnant. Problems during pregnancy. Thyroid problems during pregnancy can cause health problems for the mother and the baby. Sometimes, symptoms of thyroid problems ...
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HSE.ie
www2.hse.ie › conditions › underactive-thyroid-hypothyroidism › symptoms
Underactive thyroid (hypothyroidism) - Symptoms
pain, numbness and a tingling sensation in the hand and fingers - this is known as carpal tunnel syndrome ... If you have any of these symptoms, see your GP. Ask them to test for an underactive thyroid.
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Raymond Douglas MD
raymonddouglasmd.com › home › the 19 common signs of thyroid problems you shouldn’t overlook
19 Common Signs of Thyroid Problems | Raymond Douglas
January 22, 2025 - Below, you’ll find a few specific symptoms for men to watch for: ... Low thyroid levels may decrease your sex drive, along with your stamina and energy. ... Both hypothyroidism and hyperthyroidism reduce energy levels, affecting men and women alike. ... Mood swings and even depression can indicate thyroid dysfunction in men.
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Harvard Health
health.harvard.edu › diseases-and-conditions › hypothyroidism-symptoms-and-signs-in-an-older-person
Hypothyroidism symptoms and signs in an older person - Harvard Health
January 9, 2025 - Reduced blood volume, weaker contractions of the heart muscle, and a slower heart rate—all caused by low thyroid hormone levels—can contribute to heart failure, when your heart can't pump out blood as effectively as it should The ineffective pumping may cause subtle symptoms such as feeling less energetic or just walking more slowly.
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Medical News Today
medicalnewstoday.com › articles › 324535
Symptoms of Hypothyroidism (underactive thyroid)
May 2, 2025 - People with low levels of thyroid hormones can experience weight gain and an increase in body mass index (BMI). Even mild cases of hypothyroidism may increase the risk of weight gain and obesity. People with the condition often report having a puffy face and excess weight around the stomach or other areas of the body. Hypothyroidism can affect a person’s muscles and joints in numerous ways, causing: ... These symptoms can occur because the brain requires thyroid hormones to function correctly.
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NHS inform
nhsinform.scot › home › illnesses and conditions › glands › underactive thyroid
Underactive thyroid symptoms and treatments
February 10, 2025 - Symptoms of an underactive thyroid are often similar to those of other conditions, and they usually develop slowly, so you may not notice them for years. You should see your GP and ask to be tested for an underactive thyroid if you have symptoms including:
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Penn Medicine
pennmedicine.org › home › conditions we treat › hypothyroidism
Hypothyroidism – Symptoms and Causes | Penn Medicine
1 month ago - Early signs and symptoms of hypothyroidism include: ... If hypothyroidism goes untreated, it can cause female infertility, male infertility, peripheral neuropathy, heart problems, an enlarged thyroid gland (simple goiter), and other conditions.
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Johns Hopkins Medicine
hopkinsmedicine.org › health › conditions-and-diseases › thyroid-disorders-in-women
Thyroid Disorders in Women | Johns Hopkins Medicine
June 2, 2025 - Thyroid problems can affect those born female of any age. Thyroid disorders are much more common in the female sex than the male sex. The thyroid gland has a big effect on a female reproductive system. The gland can cause problems if it is overactive (hyperthyroid). It can cause problems if it is underactive (hypothyroid). These conditions cause an imbalance in hormone levels. They can have these effects: Join endocrinologist Paul Ladenson, M.D., as he outlines the signs and symptoms ...
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Associated Endocrinologists
endocrinemds.com › home › blogs › thyroid nodules › 7 early warning signs of thyroid issues
7 Early Warning Signs of Thyroid Issues - Associated Endocrinologist, P.C.
March 11, 2024 - With too little thyroid hormone circulating in the body, the metabolism slows, and the body converts food to energy at a slower rate. Consequently, patients with hypothyroidism often gain weight rapidly without altering their diet. Another common warning sign of thyroid issues is problems with vision or the eyes. This symptom can present in both hyperthyroidism and hypothyroidism patients, though it is slightly more common in patients with an underactive thyroid.
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Health.com
health.com › condition › thyroid › 19-thyroid-disease-symptoms-you-should-get-checked-out-asap
18 Symptoms of Thyroid Conditions To Watch For
December 17, 2025 - Symptoms of thyroid conditions can include brain fog, weight changes, and heat sensitivity. Identifying these can help in early diagnosis and management.
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Mayo Clinic
mayoclinic.org › diseases-conditions › hyperthyroidism › symptoms-causes › syc-20373659
Hyperthyroidism - Symptoms and causes - Mayo Clinic
November 30, 2022 - Understand what happens when your thyroid is overactive and learn about treatment for this condition.
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MedlinePlus
medlineplus.gov › home › health topics
Hypothyroidism | Hashimoto's Disease | MedlinePlus
Have pernicious anemia, in which the body cannot make enough healthy red blood cells because it does not have enough vitamin B12 · Have Sjogren's syndrome, a disease that causes dry eyes and mouth ... Goiter, an enlarged thyroid that may cause your neck to look swollen. Sometimes it can cause trouble with breathing or swallowing. Because hypothyroidism develops slowly, many people don't notice symptoms of the disease for months or even years.