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.
1 Autoimmune diseases, cancer, and other disorders of the thyroid gland, such as goiter due to iodine deficiency, can cause enlargement of part or all of your thyroid gland. 2  Viruses, like mumps, can make your salivary glands enlarged. 3  Injury or torticollis can cause a lump in your neck muscles. lump in the neck can be hard, soft, tender or non-tender. It can be located in the skin (such as a sebaceous cyst or acne) or it can come from tissues and organs within your neck. Where the lump originates plays an important role in determining what it is.