"Moans, Groans, Stones, and Bones" - a term coined in 1925 to describe the symptoms

Bone fractures
Bone pain, often in the legs and arms
Concentration impaired
Depression
Energy lagging, loss
Feeling old, feeling unwell, feeling abnormal, feeling bad but can't quite describe how or why
Fatigue
Forgetfulness
GERD
Hair loss, hair thinning
Headaches (often recurring)
Heart arrhythmias, palpitations, racing
High Blood Pressure
Irritable
Kidney stones
Muscle weakness of the legs
Nervous system impairments
Osteopenia (may be severe)
Osteoporosis (may be severe)
Sex drive decreased
Sleep is not like it used to be. Waking during the night, often repeatedly. Trouble falling asleep at night.
Tired all the time. A strong desire to nap, off and on, during the day.

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If you have hyperparathyroidism, chances are you exhibit 4 to 6 of these symptoms. You may have more of these symptoms (especially if you have had hyperparathyroidism for a long time). You may have as few as 3 of these symptoms.