Underactive thyroid (hypothyroidism) An underactive thyroid gland (hypothyroidism) is where your thyroid gland doesn't produce enough hormones. Common signs of an underactive thyroid are tiredness, weight gain and feeling depressed.
Hypoparathyroidism and hyperparathyroidism Hypoparathyroidism and hyperparathyroidism are rare hormone disorders caused by the parathyroid glands in the neck producing too little (hypo) or too much (hyper) parathyroid hormone.
Hyperglycaemia (high blood sugar) Hyperglycaemia (a high blood sugar level) occurs when the body can't remove glucose from the blood and turn it into energy. It usually only happens in people with diabetes.
Hirsutism Hirsutism is when a woman has excessive hair growth. The hair is usually thick and dark, rather than fine and fair. Excess hair may appear on the: face – such as the upper lip or chin neck chest
Overactive thyroid - Causes Overactive thyroid (hyperthyroidism) occurs when your thyroid gland produces too much of the thyroid hormones thyroxine or triiodothyronine. Overproduction of thyroid hormones can be caused by a number of conditions, which are outlined below.