Short answer · Medically reviewed summary · Last updated: 2026-04-06

Hashimoto's disease typically presents with symptoms of hypothyroidism, including fatigue, weight gain, cold intolerance, and muscle aches, as the immune system gradually damages the thyroid gland. Common Symptoms and Early Warning Signs In the early stages of Hashimoto's disease, you may notice subtle changes such as unexplained exhaustion, thinning hair, dry skin, or a feeling of sluggishness. Because the thyroid regulates metabolism, many patients initially report difficulty concentrating—often referred to as "brain fog"—and increased sensitivity to cold temperatures.

14 people with Hashimotos Disease have shared their first-person experience on this question at DiseaseMaps.

1

Which are the symptoms of Hashimotos Disease?

Symptoms of Hashimotos Disease reported by real patients, from the most common to the most limiting, plus a medically reviewed summary with sources.

Hashimotos Disease symptoms

Hashimoto's disease typically presents with symptoms of hypothyroidism, including fatigue, weight gain, cold intolerance, and muscle aches, as the immune system gradually damages the thyroid gland.



Common Symptoms and Early Warning Signs


In the early stages of Hashimoto's disease, you may notice subtle changes such as unexplained exhaustion, thinning hair, dry skin, or a feeling of sluggishness. Because the thyroid regulates metabolism, many patients initially report difficulty concentrating—often referred to as "brain fog"—and increased sensitivity to cold temperatures. Some individuals may also experience a goiter, which is a visible swelling at the base of the neck caused by the inflammation characteristic of Hashimoto's disease.



Symptom Variation and Quality of Life


The severity of symptoms in Hashimoto's disease varies significantly between individuals; some people remain asymptomatic for years, while others experience debilitating fluctuations in energy levels. The symptoms that most frequently disrupt daily quality of life are chronic fatigue, mood disturbances like anxiety or depression, and persistent joint pain. These symptoms can make routine tasks feel overwhelming, creating a cycle of frustration that is often misunderstood by those outside the Hashimoto's disease community.



Progression and When to Seek Help


Over time, if left untreated, the autoimmune destruction of the thyroid leads to a permanent decline in thyroid hormone production. While the progression is usually slow, you should seek immediate medical attention if you experience signs of myxedema coma—a rare but life-threatening emergency characterized by extreme confusion, severe lethargy, a significant drop in body temperature, or difficulty breathing. Regular monitoring of TSH, free T4, and T3 levels is essential to managing the progression of Hashimoto's disease effectively.



Disclaimer: This information is for educational purposes and does not replace professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions regarding a medical condition.



References



  • NIH Genetic and Rare Diseases Information Center (GARD): Hashimoto Thyroiditis

  • Orphanet: Hashimoto disease

  • American Thyroid Association: Hashimoto’s Thyroiditis

Author: DiseaseMaps Editorial Team
Reviewed against authoritative medical sources (NIH GARD, Orphanet, OMIM)
Last updated: 2026-04-06
Sources cited: NIH Genetic and Rare Diseases Information Center (GARD): Hashimoto Thyroiditis · Orphanet: Hashimoto disease · American Thyroid Association: Hashimoto’s Thyroiditis
Medical disclaimer: This information does not substitute professional medical advice. Always consult your doctor before making health decisions.
Source: DiseaseMaps.org
15 answers
Extreme tiredness

Posted Mar 8, 2017 by Sharon 200
Fatigue you can control it with healthy foods and exercise along with taking the medication You're doctor prescribed you like they prescribed.

Posted May 27, 2017 by Lindsey 1100
The fatigue and brain fog are killer! You feel like you have the body of a 90 yr old no matter how young you are!

Posted Oct 1, 2017 by Carolina_Tia 2050
Fatigue in the day, sleeplessness at night

Posted Oct 9, 2017 by Andrew 1300
Fatigue, weight problems, brain fog, aches and pains

Posted Oct 25, 2017 by Nicoletta 700
It varies for everyone but I think the fatigue is the worst.

Posted Oct 26, 2017 by Chloe 400
I was diagnosed with Hashimoto in 2015, mostly I had fatigue, anxiety, tachycardia, panic attacks, and diarrhea. After six months I was diagnosed with Hashimoto's thyroiditis. Severe diarrhea, panic attack, agoraphobia, severe fatigue, and sometimes I used to go to ER because I thought that I would die from heart disease. Of course, nobody told me I had Hashimoto's thyroiditis, I discovered that later on.

What I hated most was anxiety and panic attacks, this happened everywhere and anywhere. Is not that the other symptoms don't count but at least what brain designs for you to keep you safe is really painful.

Posted Mar 29, 2018 by Enela 400
Tiredness or Insomnia varies all the time
Foggy head / confusion
Fertility issues
Teeth and gum problems
Swollen ankles and bad sores on legs and feet
Anxiety
Dry skin and hair

Posted Nov 12, 2021 by beckie 450
Translated from french Improve translation
A great fatigue, memory problems, stir-fries, mood , muscle pain

Posted Sep 8, 2017 by Nathalie 201
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All this and pette hair eyebrows, poor sleep, weight gain, transit altered....

Posted Sep 8, 2017 by Faure 102
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Fatigue, weight gain , hyper-emotionality

Posted Sep 9, 2017 by Amelie 1000
Translated from portuguese Improve translation
Emotional symptoms: depression and anxiety.
Physical symptoms: fatigue and muscle aches.
Neurological symptoms: forgetfulness and fog mental.
Other: high cholesterol, insulin resistance, hair loss, weight loss, acne, imbalance in hormone, inflammation.

Posted Oct 23, 2017 by Thaíla 500
Translated from portuguese Improve translation
Extreme tiredness, very sleepy to the mix; muscle pain; apathy; memory loss and mental confusion; acne; increased susceptibility to develop inflammatory processes (immune system down)

Posted Oct 23, 2017 by Sara 100
Translated from portuguese Improve translation
Would the general pain in the body because it leaves us very limited and depressive. I also think it is one of the worst symptoms of difficulty with memory.

Posted Oct 23, 2017 by Maria 2000

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Hashimotos Disease stories
I have been having a variety of health problems since I was 17. It started out with back pain. Then at the end of 2008, when I was 18, I was in a car accident and my back pain got worse. On top of that, I started to have pain in my hips, shoulders an...
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Although I wasn't diagnosed until 2014, my symptoms indicate I've had Thyroid autoimmune disease for more than 20 years. I'm struggling to find a good MD in Chicagoland who specializes in thyroid autoimmune treatment with a holistic approach.  Drugs...
Hashimotos Disease stories
It's a family affair; most of the women on my mothers side of the family have it. My grandmother (my mothers mother) had Hashimoto and underwent an operation to have her thyroid removed. My mother has been upp and down (hyper to hypo) but I don't kno...
Hashimotos Disease stories
I am a 65-year-old-woman who has been sick for a very, very long time. I was struglling with severe bacterial skin infections, extreme exhaustion and fatique and lack of energy. My Hasimotos' Throiditus was triggered by mold in the workplace. After t...
Hashimotos Disease stories
In the early'90s I was experiencing psychological issues like depression and anxiety. Around 2002 I was diagnosed with Bipolar Disorder. In 2010 I was tested and diagnosed with Hashimoto's, which may have been the disease that bought on my bipolar di...

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Hashimotos Disease forum

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my doctor only orders TSH and my last lab was .098 ( range 0.04 - 4). i am still having sx such as low energy, weight gain, moody. i take Synthroid 75 mcg and Cytomel 10 twice a day. not sure if not converting and pooling are the hey same thing but h...

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