Hypothyroidism: What You Need To Know?

28. října 2025

3 min čtení

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If you begin to feel unwell for no reason, get tired quickly, and have symptoms that can be associated with dozens of disorders, it is recommended you check yourself for hypothyroidism.

Klíčové poznatky

If you begin to feel unwell for no reason, get tired quickly, and have symptoms that can be associated with dozens of disorders, it is recommended you check yourself for hypothyroidism.
Looking at the causes
How to identify the symptoms

Pro koho je tento článek

Pro ty, kteří zkoumají Hormones and thyroid prostřednictvím hypothyroidism, hormones.

Proč je to důležité

Tento článek vám pomůže se rychle zorientovat a poté přejít ke sbírce nebo sérii, pokud se chcete dozvědět víc.

Autor článku

Dr. Oxana

Endocrinologist

Hypothyroidism is a disorder associated with a low concentration of thyroid hormones. It happens quite often to approximately 1 percent of men, 2 percent of women at reproductive age, and 10 percent of those of older age.

Looking at the causes

There are two forms of the disease. The first, congenital hypothyroidism, is found in newborn babies. It is triggered by the deficit of thyroid hormones, leading to a delay in a child's mental and physical development.

The second, acquired hypothyroidism, is more often found in adults. The primary causes for acquired hypothyroidism include autoimmune and inflammatory thyroid disorders, iodine deficiency, tumors, radioactive therapy with iodine and other substances, X-ray therapy, and thyroid surgery.

How to identify the symptoms

You can suspect hypothyroidism if you carefully monitor your physical health. Possible signs of hypothyroidism include:

Weight gain
Decrease in body temperature
Unprovoked drowsiness
Slow thinking, speaking, and emotional response
Fatigue
Memory deterioration
Dyspnea
Pain in the heart area and behind the breastbone
Problems with the gastrointestinal tract: constipation or diarrhea, belching, flatulence, nausea, and vomiting, abdominal pain
Menstrual disorders in women
Frequent headaches with pressure behind the eyes
Weakness, dizziness, blackouts when changing body position
Paleness of skin with a yellowish or greyish tint
Dry and rough skin in the area of knees and elbows (Behr syndrome)
Swelling
Dental impressions on the tongue
Dry, brittle, or falling hair
Difficulty in nasal breathing
Impaired hearing
Hoarse voice because of swollen vocal cords

You should inform your physician if you have several of these symptoms simultaneously.

Getting tested

If your doctor suspects your thyroid gland is hypofunctioning, they will send you for a screening and blood test for thyroid-stimulating hormone (TSH). You may also need to have a test for T3 and T4 thyroid hormones and thyroperoxidase antibodies as well as do a clinical blood test. The diagnosis can be assisted with ultrasound examination of the thyroid and sometimes a CT scan of the brain.

Special circumstances

When planning for pregnancy, it is advisable to check the level of the thyroid-stimulating hormone. Testing the thyroid hormones during the early stages of pregnancy is an obligatory requirement as this is essential for ensuring the normal development of a child. It is important to diagnose hypothyroidism when it appears in pregnant women and start therapy as soon as possible.

Treatment of hypothyroidism

First, it is necessary to identify and eliminate causes that lead to developing hypothyroidism. The therapy consists of deficient thyroid hormones with their synthetic analogs i.e. levothyroxine (Synthroid). In most cases, the quality of life of patients with hypothyroidism who take Synthroid is not affected or limited. The medicine is prescribed by and taken under the supervision of an endocrinologist, and the dosage can vary.

In most cases, the patient’s condition starts to improve during the first week after the beginning of therapy, while the symptoms disappear in the following several months. The earlier the doctors diagnose the disease and start treatment, the better the prognosis is. Therefore, it is important to seek the advice of your doctor if you have alarming symptoms.

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