Article Source: https://www.metro.us/body-and-mind/health/thyroid-disorder-symptoms
You’ve probably heard of the thyroid, but it’s less likely that you know what it is or how it actually functions in the body. The two-inch, butterfly-shaped gland, located in the neck just below the adam’s apple, secretes hormones that help regulate important systems in the body, including temperature, metabolism, heart rate, weight and menstruation.
When too much or too little of these hormones are produced, several bodily functions can get out of whack. For National Thyroid Awareness Month, we asked endocrinologist Dr. Byan McIver to talk us through common thyroid disorders and signs that you might be suffering from them.
Who is likely to develop a thyroid disorder?
Symptoms of hyperthyroidism, or overactive thyroid
McIver likens the thyroid to a “conductor” for the body’s symptoms.
“When there’s too much thyroid hormone, it’s like that conductor has gone a little crazy and gone too fast, and the whole music goes into dissonance,” he explains, describing the condition of hypothyroidism. This can cause rapid heartbeat, restlessness and anxiety, trouble sleeping, difficulty with memory and focus, hot flashes, an overactive bowel — symptoms akin to how you feel if you’ve had too much coffee, according to McIver. Over time, it can lead to hair loss, muscle weakness, shortness of breath and in severe cases, injuries to internal organs.
Symptoms of hypothyroidism, or underactive thyroid
The most common thyroid condition, hypothyroidism occurs when the thyroid isn’t producing enough hormones. This can cause patients to feel tired and low energy or depressed, have a slower heart rate, be more susceptible to the cold, experience constipation and rapid weight gain. It can also interfere with the menstrual cycle, which can lead to issues with infertility. If you’re having trouble getting pregnant, you might consider getting your thyroid tested to see if that’s the culprit, says McIver.
Nodular thyroid disease
Talk about a lump in your throat. Nodules are a swelling on or inside the thyroid, and they’re actually very common — you’ll find them in half of women over the age of 50, McIver explains. Depending on the size of the nodule, you can feel it or even see it protruding from your neck. As it grows, it can lead you to develop a raspy voice or have difficulty swallowing. Luckily, the majority are benign, but on occasion they are cancerous.
How do you diagnose and treat thyroid conditions?
If you’re experiencing any of the aforementioned symptoms of overactive or underactive thyroid, or if you suspect you might have a nodule, let your doctor know, McIver recommends. They can refer you to an endocrinologist who can diagnose the condition by testing the levels of the thyroid stimulating hormone (TSH) through a simple blood test.
In the case of hypothyroidism, the endocrinologist can treat it with thyroid hormone replacement therapy. If it’s hyperthyroidism, there are medications to help slow down the thyroid, or removal of the thyroid through radioactive iodine or surgery.
In the case of a potential nodule, a doctor can confirm it with an ultrasound and then biopsy it, or use genetic testing to determine the cancer. Thyroid cancer has a good prognosis, McIver explains.
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