Most parathyroid cancer symptoms are caused by the hypercalcemia that develops. Symptoms of hypercalcemia include the following:
- Weakness
- Feeling very tired
- Nausea and vomiting
- Loss of appetite
- Being much more thirsty than usual
- Urinating much more than usual
- Constipation
Other symptoms of parathyroid cancer include the following:
- Pain in the abdomen, side or back that doesn't go away
- Pain in the bones
- A broken bone
- A lump in the neck
- Change in voice such as hoarseness
- Trouble swallowing
- Kidney stones
- Renal insufficiency
- Peptic ulcer disease
- Recurrent severe pancreatitis
- Anemia