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).
Tests. Laboratory Tests. The first test a health practitioner will usually order to detect thyroid dysfunction is a test for thyroid stimulating hormone (TSH) . If the TSH level is abnormal, the health practitioner will usually order a test for free thyroxine (free T4) to confirm the diagnosis.