Cracked mouth corner: Introduction. Cracked mouth corner: Cracked skin at the corner of the mouth. See detailed information below for a list of 10 causes of Cracked mouth corner, Symptom Checker, Assessment Questionnaire, including diseases and drug side effect causes.racked mouth corner: Introduction. Cracked mouth corner: Cracked skin at the corner of the mouth. See detailed information below for a list of 10 causes of Cracked mouth corner, Symptom Checker, Assessment Questionnaire, including diseases and drug side effect causes.
Thyroid disorders can range from a small, harmless goiter (enlarged gland) that needs no treatment to life-threatening cancer. The most common thyroid problems involve abnormal production of thyroid hormones. Too much thyroid hormone results in a condition known as hyperthyroidism.
Thyroid disorders: Introduction. Thyroid disorders are common disorders of the thyroid gland. Thyroid disorders include such diseases and conditions as Graves' disease, thyroid nodules, Hashimoto's thyroiditis, trauma to the thyroid, thyroid cancer and birth defects. These include being born with a defective thyroid gland or without a thyroid gland.