Signs of hyperthyroidism visible on the face.
1 thyroid. It can cause facial symptoms, such as swelling, redness, thinning of the skin, and bulging eyes. Thyroid hormones control essential bodily functions such as breathing, digestion, body temperature, and heart rate. High thyroid hormone levels can affect a person’s health and require medical treatment. There are several causes of hyperthyroidism, including autoimmune disorders, …