The thyroid gland is a vital part of the endocrine system and plays a crucial role in regulating the body’s metabolism. Located in the front of the neck, this butterfly-shaped gland produces thyroid hormones that control various bodily functions.

When the thyroid gland malfunctions, it can lead to a variety of health issues affecting metabolism, energy levels, weight, and much more.

1. Fatigue and Weakness

One of the most common warning signs of a thyroid problem is feeling excessively tired and lacking energy.

If you find yourself always feeling exhausted and experiencing muscle weakness, it could be due to an underactive thyroid, a condition known as hypothyroidism. On the other hand, an overactive thyroid (hyperthyroidism) can also cause fatigue and weakness.

2. Unexplained Weight Changes

If you are experiencing unexplained weight gain or weight loss despite not changing your diet or exercise habits, your thyroid could be to blame. A sluggish thyroid can lead to weight gain, as it slows down your metabolism.

Conversely, an overactive thyroid can cause rapid weight loss, even if you have a healthy appetite.

3. Changes in Heart Rate

Thyroid hormones play a significant role in regulating the heart rate. When there is an imbalance in these hormones, it can lead to heart-related symptoms.

An underactive thyroid can cause a slower heart rate (bradycardia), while an overactive thyroid can cause a faster heart rate (tachycardia). If you notice any unexplained changes in your heart rate, it’s essential to get your thyroid checked.

4. Mood Swings and Anxiety

The thyroid gland plays a crucial role in regulating the production and utilization of neurotransmitters in the brain. When thyroid hormones are imbalanced, it can lead to mood swings, anxiety, and even depression.

If you find yourself experiencing frequent changes in mood or unexplained anxiety, it could be a sign of an underlying thyroid issue.

5. Changes in Bowel Habits

Thyroid disorders can affect your digestive system, leading to changes in bowel habits. An underactive thyroid can cause constipation, making it difficult for the bowels to move stool properly.

On the other hand, an overactive thyroid can lead to diarrhea or more frequent bowel movements.

6. Hair Loss and Skin Changes

The health of your hair and skin is closely linked to your thyroid function. An underactive thyroid can cause hair loss, dryness, and thinning of hair, while an overactive thyroid can lead to excessive sweating and oily skin.

If you notice significant changes in your hair texture, thickness, or skin condition, it might be worth investigating your thyroid function.

7. Intolerance to Temperature

Thyroid dysfunction can disrupt the body’s ability to regulate temperature.

People with an underactive thyroid tend to feel cold all the time, even in warm environments, while those with an overactive thyroid may feel hot and sweaty, even in colder conditions.

8. Irregular Menstrual Cycles

In women, thyroid issues can lead to menstrual irregularities. An underactive thyroid can cause heavy or prolonged menstrual bleeding, while an overactive thyroid can lead to lighter or irregular periods.

If you notice significant changes in your menstrual cycle along with other symptoms mentioned here, it might be worth discussing with your healthcare provider.

9. Muscle and Joint Pains

Thyroid problems can also manifest as muscle and joint pains. People with an underactive thyroid may experience muscle aches, stiffness, and generalized pain. Joint pain and swelling can also be present.

In some cases of an overactive thyroid, muscle weakness and tremors may occur.

10. Poor Concentration and Brain Fog

When there are thyroid imbalances, cognitive function can be affected. Many people with thyroid issues often report difficulty concentrating, memory problems, and a feeling of mental fog.

If you find it challenging to focus or experience decreased mental clarity, it might be a result of an underlying thyroid problem.