More common: 1  Black, tarry stools. 2  blood in the urine or stools. 3  bloody vomit. 4  diarrhea. 5  joint pain. 6  reddening of the skin. 7  sores in the mouth or lips. 8  stomach pain. 9  swelling of the feet or lower legs.
Enlarged thyroid. Goiter (GOI-tur) is an abnormal enlargement of your thyroid gland. Your thyroid is a butterfly-shaped gland located at the base of your neck just below your Adam's apple.Although goiters are usually painless, a large goiter can cause a cough and make it difficult for you to swallow or breathe.nlarged thyroid. Goiter (GOI-tur) is an abnormal enlargement of your thyroid gland. Your thyroid is a butterfly-shaped gland located at the base of your neck just below your Adam's apple.
Thyroid conditions, in general, frequently cause symptoms in the neck area where your thyroid is located. Some of the symptoms that can point to hypothyroidism, Hashimotoâs disease, hyperthyroidism, Gravesâ disease, various types of thyroiditis, and thyroid cancer include: 1  An enlarged neck. 2  Palpable enlargement in the thyroid gland itself (goiter)  A visible or palpable lump or lumps in your neck.