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Know the Signs of Thyroid Issues

Learn the warning signs and find out how to ward off thyroid problems with these tips.

Know the Signs of Thyroid Issues

Your thyroid is a small butterfly-shaped gland in the front of your neck, just below your Adam’s apple. The thyroid gland releases hormones that regulate your body’s metabolism. If your thyroid doesn’t work right—if it produces too much or too little thyroid hormones—many important body functions can get out of whack. We spoke with endocrinologist Javaid Wani, MD, of Grand Strand Medical Center in Myrtle Beach, to learn the warning signs of thyroid issues. 

Signs of thyroid problems 
When the thyroid releases too little thyroid hormones, called hypothyroidism, many important body functions slow down, including your heart rate and digestion. Symptoms of hypothyroidism usually develop gradually and can be subtle. They may include: 

  • Feeling tired, sluggish and weak 
  • Weight gain 
  • Depression 
  • Constipation 
  • Difficulty concentrating 
  • Joint or muscle pain and weakness 
  • Dry skin and hair loss 
  • Frequent, heavier periods 

Sometimes your body releases too much thyroid hormone. “When there is excessive production of thyroid hormone, the condition is called hyperthyroidism or overactive thyroid,” says Dr. Wani. This causes your body’s functions to speed up, which can make you jittery, irritable and anxious. Other signs of hyperthyroidism include: 

  • Unintentional weight loss 
  • Rapid heartbeat and chest pain 
  • Excessive sweating and sensitivity to heat 
  • Muscle weakness 
  • Difficulty sleeping 
  • Diarrhea 
  • Missed or light periods 
  • Protruding eyes 

Severe hyperthyroidism, particularly in older people, can cause heart rhythm disorders and, if left untreated, can result in major damage to the heart muscle—possibly even congestive heart failure, says Wani. 

Another sign of a thyroid problem is if you, or your healthcare provider (HCP) during a routine exam, find a lump on your neck in the area of the thyroid. These growths, called thyroid nodules, are usually benign (harmless) but sometimes they can be a sign of, or turn into, thyroid cancer. Thyroid nodules can also cause thyroid dysfunction, says Wani. 

If your neck appears swollen or enlarged, you may have a goiter, typically caused by iodine deficiency. Goiters are extremely rare in the United States, says Wani, since iodine-rich food is readily available.  When goiters do occur in the U.S., they’re typically due to something else, such as Hashimoto’s disease, Grave’s disease or nodules. 

Do a thyroid check at home 
Approximately 15 million Americans have an undiagnosed thyroid problem. As with most conditions, the sooner you catch and treat it, the better. Therefore, it’s a good idea to do a thyroid self-check periodically. All you need is a handheld mirror and a glass of water. Follow these steps: 

  1. Hold the mirror in your hand, focusing on the lower front area of your neck, just above your collarbones. 
  2. Lean your head back, but not so much that you can’t see the mirror. 
  3. Take a drink of water. As you swallow, check your thyroid area for any unusual bulges or protrusions. Touch the area on your neck, feeling for any lumps. 
  4. Repeat the steps a few times to get a good look. 

When to see your HCP 
If you see anything suspicious during your thyroid self-check or if you have symptoms suggesting signs of a thyroid problem, see your HCP. Most thyroid disorders can be diagnosed with blood tests and ultrasound. If your HCP suspects thyroid cancer, a biopsy will be performed to confirm his or her suspicion. 

Keep your thyroid healthy 
While some thyroid disorders are cause by autoimmune problems or genetics, things you can’t really control, there are steps you can take to promote a healthy thyroid. 

  • Don’t smoke. Chemicals in cigarettes can increase the risk of Grave’s disease, a condition linked to hyperthyroidism. 
  • Do a thyroid self-check occasionally. 
  • Get a blood test. If you have a family history of thyroid disease, are over age 60, take certain medications (lithium or amiodarone), have undergone radiation therapy to the head or neck or have symptoms associated with a thyroid disease, ask your HCP if you should get a TSH (thyroid-stimulating hormone) test. It’s a simple blood test that can determine if your thyroid is functioning normally. 
  • Maintain a healthy weight. Obesity may indirectly cause hypothyroidism, says Wani. That’s because your body can only produce so much thyroid hormones. If you are significantly overweight, your body may not be able to produce enough thyroid hormones to meet its needs. 

One thing you shouldn’t do for a healthy thyroid is take supplements that claim to benefit the thyroid. “There isn’t enough evidence that any diet supplement can help your thyroid,” says Wani. In fact, some supplements can harm you. Many supplements contain dangerously high levels of iodine that can lead to hyperthyroidism, he says. Iodine deficiency is a major cause of goiter in underdeveloped countries. “In America, we get enough iodine in our diet to support a healthy thyroid,” explains Wani. Even if you’re on a restricted diet, you still get enough, he says. 

A thyroid disorder can make you miserable and very sick if left untreated. But most problems can be fairly easily treated by an endocrinologist or your primary care provider if you notice signs of thyroid issues early. You may have to take medicine for the rest of your life, but it shouldn’t prevent you from living a healthy, normal one. 

Medically reviewed in January 2019. Updated in March 2021. 

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