Tremor: Clinical Meaning

Hyperthyroidism

Hyperthyroidism occurs when the thyroid gland produces too much thyroid hormone, speeding up metabolism. It causes weight loss, rapid heartbeat, anxiety, tremors, and heat intolerance. Graves' disease is the most common cause.

Parkinson's Disease

Parkinson's disease is a progressive neurological disorder affecting movement, caused by the loss of dopamine-producing neurons. Symptoms include tremor, rigidity, slowness of movement, and balance problems. There is no cure, but treatments can manage symptoms.

Huntington's Disease

Huntington's disease is a hereditary neurodegenerative disorder caused by a CAG repeat expansion in the HTT gene, causing progressive motor, cognitive, and psychiatric deterioration. Symptoms typically begin in mid-adulthood with no disease-modifying treatment.

Essential Tremor

Essential tremor is the most common movement disorder, causing involuntary rhythmic shaking, most often affecting the hands during purposeful movement. It is distinct from Parkinson's tremor; propranolol and primidone are first-line treatments.

Hypoglycemia

Hypoglycemia is low blood sugar, typically below 70 mg/dL. Most common in people with diabetes, it causes rapid neurological and adrenaline-driven symptoms requiring prompt treatment.