Thyroid disease can cause too much or too little thyroid hormone caused by either an overactive or underactive thyroid.
The thyroid gland is located in the front of the neck, just below the voice box, and it produces the hormones that help the body control metabolism, and can affect your heart rate, blood pressure, body temperature and weight.
There are four main types of thyroid disease:
Hyperthyroidism – too much thyroid hormone
Hypothyroidism – too little thyroid hormone
Benign (non-cancerous) thyroid disease
What are the symptoms of Thyroid disease?
Symptoms of an overactive thyroid (hyperthyroidism) can include:
Anxiety, irritability and nervousness.
Having trouble sleeping.
Loss of weight.
Having an enlarged thyroid gland (also known as a goiter).
Muscle weakness and tremors.
Irregular menstrual periods or having your menstrual cycle stop.
Sensitivity to the heat.
Having vision problems.
Symptoms of an underactive thyroid (hypothyroidism) can include: