Why Do Older People Experience Uncontrollable Shivering?

Does aging cause tremor?

Closeup of two elderly hands holding each other, fingers intertwined, showing signs of feeling shaky and weak.

Not on its own. Essential Tremor becomes more common with age — affecting roughly 5% of people over 65 — and Parkinson's risk also rises with age (Haubenberger & Hallett, New England Journal of Medicine, 2018). So while a tremor is more likely in later life, it still points to an identifiable cause worth evaluating rather than simply "old age."

The most common causes of tremor in older adults

  • Essential Tremor — the most common; an action tremor (worse during movement), often with a family history.
  • Parkinson's Disease — a resting tremor from the loss of dopamine neurons, usually starting on one side.
  • Medication side effects — some antidepressants, antipsychotics, and asthma drugs can cause or worsen tremor.
  • Hyperthyroidism — a fine tremor alongside weight loss, palpitations, and heat intolerance.
  • Age-related muscle weakness — reduced strength and motor control can produce a mild tremor.
  • Low blood sugar — triggers an adrenaline-driven shakiness, especially in people on insulin.
  • Stress and anxiety — amplify the body's normal physiologic tremor; usually situational.

The main types of tremor in older adults

Telling the type apart helps point to the cause (NINDS, Tremor):

Tremor typeWhen it occursTypical association
Essential TremorDuring movement or holding a positionMost common; often familial
ParkinsonianAt rest; eases with movementParkinson's Disease
DystonicWith abnormal postures or twistingDystonia
PhysiologicA faint tremor during any movementNormal — everyone has it
Enhanced physiologicVisible; during movementStress, caffeine, medications, thyroid
OrthostaticA high-frequency tremor while standingImproves on sitting or walking

For how these are defined and measured, see what defines a hand tremor, and our guide to the link between aging and tremors.

When to see a doctor

Because tremor has many causes, a healthcare provider is the right person to identify which one. See one if a tremor is new, worsening, one-sided, appears at rest, or comes with other symptoms like weakness or speech changes — and urgently if it starts suddenly with weakness or difficulty speaking, which can signal a stroke. Many causes — a medication, a thyroid problem, low blood sugar — are very treatable once identified.

Steadying the hands when tremor comes with age

While the cause is worked out and treated, a wearable can make daily tasks easier. The Steadi-3 Plus is an FDA-registered Class I medical device that steadies the hand with a passive magnetic vibration absorber (tuned mass damping), countering tremor mechanically as the hand moves, with no electronics or batteries — a plus for anyone who'd rather not manage charging. In a placebo-controlled study, four in five wearers (84%) steadied better than with no device, and 70% beat a placebo glove (Steadiwear, Steadi-3 Plus validation study). It doesn't treat or cure the underlying cause — it steadies the hand for tasks like eating, writing, and holding a cup, helping older adults stay independent.

Lightweight and simple to put on, a tremor-stabilizing glove works alongside medication, therapy, and treatment of the root cause rather than replacing them.

Quick recap

  • Tremor in older adults is common but not an inevitable part of aging — it signals an identifiable cause (Haubenberger & Hallett, New England Journal of Medicine, 2018).
  • The usual causes: Essential Tremor (the most common), Parkinson's, medications, hyperthyroidism, muscle weakness, low blood sugar, and stress.
  • The type — resting vs action, at rest vs on standing — is the biggest clue to the cause; a specialist can tell them apart (NINDS, Tremor).
  • Many causes are very treatable once identified, and a stabilizing glove can steady the hands for daily tasks in the meantime.

Foire aux questions

Des frissons incontrôlables la nuit peuvent être dus à divers facteurs, tels que :

  1. Thermorégulation : Lorsque vous avez très froid, le système de thermorégulation de votre corps tente de générer de la chaleur pour réchauffer votre organisme par le mouvement, ce qui explique pourquoi les gens frissonnent généralement lorsqu'ils ont froid. Ces tremblements corporels peuvent survenir même si vous n'avez pas l'impression d'avoir si froid que cela.
  2. Réponses émotionnelles : Des émotions fortes, telles que l'enthousiasme, l'anxiété ou la nostalgie, peuvent provoquer la chair de poule. C'est ce qu'on appelle communément des « frissons émotionnels ».

Changements hormonaux : Les frissons ou les sensations de froid peuvent être causés par des changements hormonaux, tels que ceux q

Vous est-il déjà arrivé d'être assis et de remarquer que vous agitiez la jambe depuis tout ce temps ? De tels événements vous amènent à vous demander : « Pourquoi est-ce que je tremble ? » Eh bien, agiter la jambe en position assise est une habitude courante chez de nombreuses personnes, et cela pourrait être dû à des raisons telles que :

  1. Agitation ou nervosité : Agiter la jambe peut vous aider à libérer un surplus d'énergie ou à vous sentir moins agité. Cela peut également servir à s'apaiser ou à soulager une tension.
  2. TDAH ou syndrome des jambes sans repos :Des tremblements fréquents de la jambe ont été associés à des troubles tels que le TDAH et le syndrome des jambes sans repos, bien que ceux-ci soient moins courants.
  3. Énergie nerveuse :Lorsque les gens traversent des situations qui les rendent nerveux ou tendus, agiter la jambe peut être un moyen inconscient pour eux de faire face à ces sentiments.

Essential Tremor is an action tremor — it shows up during movement or holding a position, usually in both hands. Parkinson’s tremor is a resting tremor, most obvious when the hand is still and easing with movement, often starting on one side.

Yes. Some antidepressants, antipsychotics, asthma medications, and others can cause or worsen tremor. If a tremor started after a new or changed prescription, raise it with the prescribing doctor rather than stopping on your own.

Treatment follows the cause — adjusting a medication, treating a thyroid problem or low blood sugar, or starting tremor-specific medication and therapy for Essential Tremor or Parkinson’s. Occupational therapy and assistive devices help with daily tasks alongside medical care.

Références

  1. Haubenberger D, Hallett M. Essential Tremor. New England Journal of Medicine. 2018;378(19):1802–1810. PMID 29742376.
  2. NINDS. Tremor. National Institute of Neurological Disorders and Stroke. NINDS: Tremor.
  3. Steadiwear. Steadi-3 Plus validation study. Steadiwear: Steadi-3 Plus validation study.