Plantar warts, which are caused by a viral infection, are also quite common. These warts are circular and very flat on the surface, as they mostly extend deep under the skin. They are treated in a manner similar to corns. Another common causes of red bumps is athlete's foot, which is a fungal infection often found between the toes. This is treated by hygiene, such as keeping the shoes clean and the feet dry and also often with a topical or oral antifungal medication, depending on the advise of your doctor.
Thyroid function tests are blood tests which help to check the function of the thyroid gland. They are mainly used to detect hypothyroidism (underactive thyroid) and hyperthyroidism (overactive thyroid).
Thyroid hormone blood tests include: 1  Total thyroxine (T4). 2  Most of the thyroxine (T4) in the blood is attached to a protein called thyroxine-binding globulin. 3  Less than 1% of the T4 is unattached. 4  A total T4 blood test measures both bound and free thyroxine.hyroid hormone tests are done to: 1  Find out what is causing an abnormal thyroid-stimulating hormone (TSH) test. 2  For more information, see the topic Thyroid-Stimulating Hormone (TSH) . 3  This is the most common reason for thyroid hormone tests. 4  Check how well treatment of thyroid disease is working.