What is the most severe complication of hypothyroidism?

In very rare cases, a severe underactive thyroid may lead to a life-threatening condition called myxoedema coma. This is where the thyroid hormone levels become very low, causing symptoms such as confusion, hypothermia and drowsiness. Myxoedema coma requires emergency treatment in hospital.


What is the major complications of hypothyroidism?

Hypothyroidism can lead to a higher risk of heart disease and heart failure. That's mainly because people with an underactive thyroid tend to develop high levels of low-density lipoprotein (LDL) cholesterol — the "bad" cholesterol.

What is the most severe form of hypothyroidism?

Myxedema crisis (also called myxedema coma), the most severe form of hypothyroidism, is rare. It occurs when thyroid hormone levels get very, very low.


What is considered a severe case of hypothyroidism?

Myxedema is the most severe form of hypothyroidism. A person with myxedema can lose consciousness or go into a coma. The condition can also cause the body temperature to drop very low, which can cause death.

What are the most severe symptoms of hypothyroidism?

Myxedema crisis (also called myxedema coma), the most severe form of hypothyroidism, is rare.
...
Symptoms and signs of myxedema coma include:
  • Below normal body temperature.
  • Decreased breathing.
  • Low systolic blood pressure.
  • Low blood sugar.
  • Unresponsiveness.
  • Inappropriate or uncharacteristic moods.


9 Surprising Signs of Hypothyroidism



When is hypothyroidism an emergency?

When to Seek Medical Care. People who have hypothyroidism and develop fever, changes in behavior or mental status, slowness of breath, or increased swelling of the hands and feet should be taken to an emergency department.

What organs are affected by hypothyroidism?

Hypothyroidism can affect the heart and circulatory system in several ways. Lower production of thyroid hormone slows your heart rate. Hypothyroidism also makes the arteries less elastic, and blood pressure rises in order to circulate blood around the body.

How does hypothyroidism affect the brain?

Thyroid hormones are crucial for brain development, and influence brain function throughout life. In adults, hypothyroidism causes lethargy, hyporeflexia, and poor motor coordination (1,2), is associated with bipolar affective disorders, depression, or loss of cognitive functions (3,4).


Does hypothyroidism worsen with age?

Hypothyroidism is the most common thyroid condition in patients over 60 years of age and steadily increases with age.

How do I know if my hypothyroidism is getting worse?

Let's take a look at the most common signs and symptoms that you are not getting sufficient treatment for your thyroid disease.
  1. You have unexpected weight changes. ...
  2. It's hard to lose or gain weight. ...
  3. You have diarrhea or are constipated. ...
  4. You have joint and muscle aches/pains. ...
  5. You are anxious and/or depressed. ...
  6. You're exhausted.


What are the two conditions associated with hypothyroidism?

The two main types of thyroid disease are hypothyroidism and hyperthyroidism. Both conditions can be caused by other diseases that impact the way the thyroid gland works. Conditions that can cause hypothyroidism include: Thyroiditis: This condition is an inflammation (swelling) of the thyroid gland.


What happens when hypothyroidism goes untreated?

Untreated hypothyroidism can lead to serious complications, including heart disease and nerve damage. In rare cases, it can be fatal. Most people with hypothyroidism have to take thyroid hormone replacement long term. You will need ongoing thyroid level checks to ensure you are on the right dose.

How does hypothyroidism affect the heart?

Hypothyroidism can result in decreased cardiac output, increased systemic vascular resistance, decreased arterial compliance, and atherosclerosis. Impaired cardiac muscle relaxation, decreased heart rate, and decreased stroke volume contribute to heart failure in hypothyroidism.

What is the prognosis for a person living with hypothyroidism?

With proper treatment, a person with hypothyroidism usually has a normal life expectancy, with little or no decrease in quality of life. 1 Hypothyroidism generally carries a greater life expectancy than hyperthyroidism (overactive thyroid).


Does your thyroid affect your bowel movements?

An overactive thyroid speeds up bodily systems, including digestion. You may notice more frequent bowel movements or even diarrhea.

Why do you need less Synthroid as you age?

As you get older, you might not need as much Synthroid to keep your thyroid hormones in balance. If you are elderly and are just starting treatment for hypothyroidism, your doctor may start you on a lower dose of medicine.

What mental illness can hypothyroidism cause?

Hypothyroidism can often be misdiagnosed as psychiatric illness. The hypothyroid patient may present with depression, an organic mental disorder, apathy and/or frank psychosis (usually with paranoid symptoms).


Is hypothyroidism linked to dementia?

Conclusions: Hypothyroidism is associated with increased risk of dementia. The association is influenced by comorbidity and age. Every 6 months of elevated TSH increased the risk of dementia by 12%, suggesting that also the length of hypothyroidism influences the risk of dementia.

What can cause hypothyroidism to get worse?

Eating foods that have large amounts of iodine—such as kelp, dulse, or other kinds of seaweed—may cause or worsen hypothyroidism. Taking iodine supplements can have the same effect. If you are pregnant, you need more iodine because the baby gets iodine from your diet.

What is the downside to taking levothyroxine?

Common side effects of levothyroxine include heat intolerance, a fast heart rate, and diarrhea. More serious levothyroxine side effects are also possible. If you experience side effects like tremors or mood changes, talk to your healthcare provider as soon as you can.


What are 4 major causes of hypothyroidism?

Hypothyroidism means that the thyroid gland can't make enough thyroid hormone to keep the body running normally. People are hypothyroid if they have too little thyroid hormone in the blood. Common causes are autoimmune disease, such as Hashimoto's thyroiditis, surgical removal of the thyroid, and radiation treatment.

What does hypothyroidism do to your stomach?

Hypothyroidism slows the movement of food through your stomach and intestines. Slowed digestion can lead to symptoms like heartburn, constipation, and bloating.

What are the late symptoms of hypothyroidism?

The most common hypothyroid symptoms are fatigue, cold intolerance, constipation, slower metabolism, and dry skin, while more surprising signs may be a slower heart rate, joint and muscle pain, and dry or puffy skin, says Gregory Dodell, MD, assistant clinical professor of medicine, endocrinology, diabetes, and bone ...


Can levothyroxine damage your heart?

This is especially true in patients with heart failure. While levothyroxine replacement may improve heart failure, it is possible that in this group it could have harmful effects, especially if the levothyroxine dose is too high.

Can hypothyroidism stop your heart?

In hypothyroidism, symptoms may include slowing of the heart rate, constriction of the blood vessels and increased blood pressure, retention of fluid and edema and an increase in cholesterol levels. Severe cases of hypothyroidism can cause heart failure and death.