Cracks at corner of mouth and Mouth sores. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms cracks at corner of mouth and mouth sores including Angular cheilitis, Coxsackie virus infection, and Mouth (oral) cancer.There are 10 conditions associated with cracks at corner of mouth and mouth sores.The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions.1  Angular cheilitis.here are 10 conditions associated with cracks at corner of mouth and mouth sores. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions. 1  Angular cheilitis.
Thyroid Disease Symptoms and Signs. Thyroid disease is a common problem that can cause symptoms because of over-or under-function of the thyroid gland. The thyroid gland is an essential organ for producing thyroid hormones, which maintain are body metabolism.The thyroid gland is located in the front of the neck below the Adam's apple.hyroid Disease Symptoms and Signs. Thyroid disease is a common problem that can cause symptoms because of over-or under-function of the thyroid gland. The thyroid gland is an essential organ for producing thyroid hormones, which maintain are body metabolism.
Hypothyroidism, also called underactive thyroid, is a condition in which the thyroid gland does not produce enough hormones. Hypothyroidism can be caused by the autoimmune disorder Hashimotoâs thyroiditis, irradiation or surgical removal of the thyroid gland, and medications that reduce thyroid hormone levels. Anyone can develop hypothyroidism, but people who are most at risk include those who are over age 50 and female.