Top Symptoms That May Require a Thyroid Test


The thyroid is a small, butterfly-shaped gland located at the base of your neck. It plays a crucial role in regulating metabolism, energy levels, body temperature, and more through the release of hormones. When the thyroid is not functioning properly, it can lead to a wide range of health issues. Recognizing the signs early and taking a thyroid test can help prevent complications and guide effective treatment.
Here are the top symptoms that may indicate the need for a thyroid test:
Unexplained Fatigue
If you're constantly feeling tired despite getting enough sleep, your thyroid could be underactive. Hypothyroidism, or an underactive thyroid, slows down your metabolism and can make you feel sluggish and exhausted throughout the day.
Weight Changes
Sudden, unexplained weight gain or loss may be a red flag. An underactive thyroid can lead to weight gain, while an overactive thyroid (hyperthyroidism) can cause rapid weight loss—even if your diet and exercise routines haven't changed.
Mood Swings or Depression
Thyroid imbalances can significantly affect your mental health. Hypothyroidism may cause depression, low mood, and difficulty concentrating, while hyperthyroidism may result in anxiety, irritability, and restlessness.
Hair Thinning or Hair Loss
Both hypothyroidism and hyperthyroidism can cause hair to thin or fall out. If you're noticing significant hair loss or brittle, thinning hair, it may be time to schedule a thyroid test.
Sensitivity to Cold or Heat
If you’re feeling unusually cold or hot compared to others, this could be a sign of thyroid dysfunction. People with hypothyroidism often feel cold, while those with hyperthyroidism may be more sensitive to heat.
Changes in Heart Rate
An irregular, slow, or fast heartbeat can also be linked to thyroid issues. Hypothyroidism often causes a slower heart rate, while hyperthyroidism may speed it up, leading to palpitations or a pounding heart.
Swelling in the Neck
A visible swelling at the base of your neck could be a goiter, which is an enlargement of the thyroid gland. This is a clear sign that a thyroid test is necessary to assess what’s causing the gland to grow.
Dry Skin and Brittle Nails
Dry, flaky skin and brittle nails can also point to thyroid dysfunction. These symptoms are more commonly associated with hypothyroidism.
Menstrual and Fertility Issues
In women, irregular periods, heavy bleeding, or difficulty conceiving may be related to thyroid imbalances. A thyroid test can help identify if the gland is playing a role in these hormonal disruptions.
Conclusion
If you're experiencing any of these symptoms, it’s important to speak with your healthcare provider. A simple thyroid test can determine whether your thyroid is functioning properly. Early diagnosis and treatment can significantly improve your quality of life and prevent more serious health issues down the road.
Subscribe to my newsletter
Read articles from Dr. Adam Atoot directly inside your inbox. Subscribe to the newsletter, and don't miss out.
Written by

Dr. Adam Atoot
Dr. Adam Atoot
Dr. Adam Atoot is a renowned physician for his exceptional patient care and management. Dr. Adam Atoot earned his medical degree from the American University of Antigua and completed his Internal Medicine residency at Northwell Health-Staten Island University Hospital. As an experienced internist, he is celebrated for his holistic approach to treatment, emphasizing active listening and personalized care.