- Hyperparathyroidism: What It Is, Symptoms & Treatment: ″Symptoms of hyperparathyroidism, especially in people with high calcium levels, include:
- Joint or bone pain.
- Muscle weakness.
- Tiredness (fatigue).
- Depression.
- Trouble concentrating.
- Loss of appetite.
- Nausea and vomiting.
- Confusion or forgetfulness.
- Increased thirst and frequent need to pee.
- Constipation.″