A diseased thyroid gland can result in different symptoms, depending on the specific thyroid disorder and its severity. The main thyroid disorders that can cause symptoms include hypothyroidism (decreased thyroid function) and hyperthyroidism (increased thyroid function). Here’s an overview of some common symptoms that may occur in these conditions:
Symptoms of hypothyroidism (decreased thyroid function) may include:
- Fatigue and feeling exhausted.
- Weight gain or difficulty losing weight.
- Cold and sensitivity to cold.
- Dry skin and hair.
- Muscle weakness.
- Jail.
- Hair loss.
- Depression or mood swings.
- Slow heart (bradycardia).
- Low libido.
Symptoms of hyperthyroidism (increased thyroid function) may include:
- Increased appetite and weight loss.
- Increased heart rate (tachycardia).
- Feeling nervous, anxious or irritated.
- Excessive sweating.
- Trouble sleeping.
- Increased sensitivity to heat.
- Tremor (trembling hands).
- Irregular menstrual cycles or absence of menstruation (amenorrhea) in women.
- Changes in body temperature.
- Enlargement of the thyroid gland (goiter).
It is important to note that symptoms may vary from person to person and that some symptoms can occur in both conditions, but to varying degrees.