Hypotyreos
Primär hypotyreos är en vanlig sjukdom, en folksjukdom, som drabbar sköldkörteln hos ca % av befolkningen i alla åldrar. Hypothyroidism happens when the thyroid gland doesn't make enough thyroid hormone. This condition also is called underactive thyroid. Hypothyroidism may not cause noticeable symptoms in its early stages.
Hypothyroidism (Underactive Thyroid): Everything You Need to Know
Over time, hypothyroidism that isn't treated can lead to other health problems, such as high cholesterol and heart problems. Blood tests are used to diagnose hypothyroidism. Treatment with thyroid hormone medicine usually is simple, safe and effective once you and your health care provider find the right dosage for you. The symptoms of hypothyroidism depend on the severity of the condition.
Hypothyroidism (Underactive Thyroid)
Problems tend to develop slowly, often over several years. At first, you may barely notice the symptoms of hypothyroidism, such as fatigue and weight gain. Or you may think they are just part of getting older. But as your metabolism continues to slow, you may develop more-obvious problems. Anyone can get hypothyroidism, including infants. Most babies born without a thyroid gland or with a gland that doesn't work correctly don't have symptoms right away.
But if hypothyroidism isn't diagnosed and treated, symptoms start to appear. They may include:. When hypothyroidism in infants isn't treated, even mild cases can lead to severe physical and mental development problems. In general, children and teens with hypothyroidism have symptoms similar to those in adults. But they also may have:. See your health care provider if you're feeling tired for no reason or if you have other symptoms of hypothyroidism.
If you're taking thyroid hormone medicine for hypothyroidism, follow your health care provider's advice on how often you need medical appointments. At first, you may need regular appointments to make sure you're receiving the right dose of medicine. Over time, you may need checkups so that your health care provider can monitor your condition and medicine. There is a problem with information submitted for this request.
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You'll soon start receiving the latest Mayo Clinic health information you requested in your inbox. The thyroid is a small, butterfly-shaped gland located at the base of the neck, just below the Adam's apple. The thyroid gland makes two main hormones: thyroxine T-4 and triiodothyronine T These hormones affect every cell in the body. They support the rate at which the body uses fats and carbohydrates. They help control body temperature.
They have an effect on heart rate. And they help control how much protein the body makes.
Hypothyroidism happens when the thyroid gland doesn't make enough hormones. Conditions or problems that can lead to hypothyroidism include:. Birth defects. Babies born to people with untreated thyroid disease may have a higher risk of birth defects compared with babies born to mothers who do not have thyroid disease. Infants with hypothyroidism present at birth that goes untreated are at risk of serious physical and mental development problems.
But if the condition is diagnosed within the first few months of life, the chances of typical development are excellent.