what are symptoms of parathyroid problems?
['A lump in the neck.', 'Difficulty speaking or swallowing.', 'Muscle weakness.', 'Sudden increase in blood calcium levels (hypercalcemia)', 'Fatigue, drowsiness.', 'Urinating more than usual, which may cause you to be dehydrated and very thirsty.', 'Bone pain and broken bones.', 'Kidney stones.']