Depression is more than simply feeling unhappy or fed up for a few days.
Our Health A-Z contains more information on Depression.
An overactive thyroid, also known as hyperthyroidism, is where the thyroid gland produces too much of the thyroid hormones.
Our Health A-Z contains more information on Overactive Thyroid.
Important: If you have these symptoms, they may be unrelated to any of these conditions listed. If you are concerned about your symptoms then you should see a doctor.